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Finding the Fourth Proportional to 93,561.96, 129,115.62 and 51,120.49

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Solution

The fourth proportional to 93,561.96, 129,115.62 and 51,120.49 is: 70,546.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,561.96 : 129,115.62 = 51,120.49 : x
  2. Step 2: Convert to fraction form
    93,561.96/129,115.62 = 51,120.49/x
  3. Step 3: Cross multiply
    93,561.96x = 129,115.62 × 51,120.49
  4. Step 4: Simplify right side
    93,561.96x = 6,600,454,043.49
  5. Step 5: Solve for x
    x = 6,600,454,043.49/93,561.96
  6. Step 6: Final answer
    x = 70,546.34

Related Problems

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.