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Finding the Fourth Proportional to 93,551.32, 129,101.34 and 55,816.12

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Solution

The fourth proportional to 93,551.32, 129,101.34 and 55,816.12 is: 77,026.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,551.32 : 129,101.34 = 55,816.12 : x
  2. Step 2: Convert to fraction form
    93,551.32/129,101.34 = 55,816.12/x
  3. Step 3: Cross multiply
    93,551.32x = 129,101.34 × 55,816.12
  4. Step 4: Simplify right side
    93,551.32x = 7,205,935,885.60
  5. Step 5: Solve for x
    x = 7,205,935,885.60/93,551.32
  6. Step 6: Final answer
    x = 77,026.55

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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.