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Finding the Fourth Proportional to 93,801.56, 129,446.52 and 51,359.72

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Solution

The fourth proportional to 93,801.56, 129,446.52 and 51,359.72 is: 70,876.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,801.56 : 129,446.52 = 51,359.72 : x
  2. Step 2: Convert to fraction form
    93,801.56/129,446.52 = 51,359.72/x
  3. Step 3: Cross multiply
    93,801.56x = 129,446.52 × 51,359.72
  4. Step 4: Simplify right side
    93,801.56x = 6,648,337,022.17
  5. Step 5: Solve for x
    x = 6,648,337,022.17/93,801.56
  6. Step 6: Final answer
    x = 70,876.61

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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.