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Finding the Fourth Proportional to 294,785.31, 442,177.98 and 73,169.31

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Solution

The fourth proportional to 294,785.31, 442,177.98 and 73,169.31 is: 109,753.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,785.31 : 442,177.98 = 73,169.31 : x
  2. Step 2: Convert to fraction form
    294,785.31/442,177.98 = 73,169.31/x
  3. Step 3: Cross multiply
    294,785.31x = 442,177.98 × 73,169.31
  4. Step 4: Simplify right side
    294,785.31x = 32,353,857,693.79
  5. Step 5: Solve for x
    x = 32,353,857,693.79/294,785.31
  6. Step 6: Final answer
    x = 109,753.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.