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Finding the Fourth Proportional to 317,127.30, 475,760.92 and 92,505.32

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Solution

The fourth proportional to 317,127.30, 475,760.92 and 92,505.32 is: 138,778.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,127.30 : 475,760.92 = 92,505.32 : x
  2. Step 2: Convert to fraction form
    317,127.30/475,760.92 = 92,505.32/x
  3. Step 3: Cross multiply
    317,127.30x = 475,760.92 × 92,505.32
  4. Step 4: Simplify right side
    317,127.30x = 44,010,416,148.09
  5. Step 5: Solve for x
    x = 44,010,416,148.09/317,127.30
  6. Step 6: Final answer
    x = 138,778.39

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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.