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Finding the Fourth Proportional to 93,853, 129,517.14 and 51,411.70

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Solution

The fourth proportional to 93,853, 129,517.14 and 51,411.70 is: 70,948.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,853 : 129,517.14 = 51,411.70 : x
  2. Step 2: Convert to fraction form
    93,853/129,517.14 = 51,411.70/x
  3. Step 3: Cross multiply
    93,853x = 129,517.14 × 51,411.70
  4. Step 4: Simplify right side
    93,853x = 6,658,696,346.54
  5. Step 5: Solve for x
    x = 6,658,696,346.54/93,853
  6. Step 6: Final answer
    x = 70,948.15

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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.