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Finding the Fourth Proportional to 317,125.30, 475,757.92 and 92,503.31

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Solution

The fourth proportional to 317,125.30, 475,757.92 and 92,503.31 is: 138,775.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,125.30 : 475,757.92 = 92,503.31 : x
  2. Step 2: Convert to fraction form
    317,125.30/475,757.92 = 92,503.31/x
  3. Step 3: Cross multiply
    317,125.30x = 475,757.92 × 92,503.31
  4. Step 4: Simplify right side
    317,125.30x = 44,009,182,358.72
  5. Step 5: Solve for x
    x = 44,009,182,358.72/317,125.30
  6. Step 6: Final answer
    x = 138,775.37

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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.