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Finding the Fourth Proportional to 93,679.32, 129,275.86 and 51,236.94

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Solution

The fourth proportional to 93,679.32, 129,275.86 and 51,236.94 is: 70,706.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,679.32 : 129,275.86 = 51,236.94 : x
  2. Step 2: Convert to fraction form
    93,679.32/129,275.86 = 51,236.94/x
  3. Step 3: Cross multiply
    93,679.32x = 129,275.86 × 51,236.94
  4. Step 4: Simplify right side
    93,679.32x = 6,623,699,482.27
  5. Step 5: Solve for x
    x = 6,623,699,482.27/93,679.32
  6. Step 6: Final answer
    x = 70,706.10

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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.