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Finding the Fourth Proportional to 317,301.72, 475,905.87 and 104,092.17

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Solution

The fourth proportional to 317,301.72, 475,905.87 and 104,092.17 is: 156,122.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,301.72 : 475,905.87 = 104,092.17 : x
  2. Step 2: Convert to fraction form
    317,301.72/475,905.87 = 104,092.17/x
  3. Step 3: Cross multiply
    317,301.72x = 475,905.87 × 104,092.17
  4. Step 4: Simplify right side
    317,301.72x = 49,538,074,724.04
  5. Step 5: Solve for x
    x = 49,538,074,724.04/317,301.72
  6. Step 6: Final answer
    x = 156,122.93

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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.