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Finding the Fourth Proportional to 93,229.59, 128,666.13 and 56,929.04

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Solution

The fourth proportional to 93,229.59, 128,666.13 and 56,929.04 is: 78,567.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,229.59 : 128,666.13 = 56,929.04 : x
  2. Step 2: Convert to fraction form
    93,229.59/128,666.13 = 56,929.04/x
  3. Step 3: Cross multiply
    93,229.59x = 128,666.13 × 56,929.04
  4. Step 4: Simplify right side
    93,229.59x = 7,324,838,404.60
  5. Step 5: Solve for x
    x = 7,324,838,404.60/93,229.59
  6. Step 6: Final answer
    x = 78,567.74

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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.