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Finding the Fourth Proportional to 317,275.50, 475,862.18 and 92,583.18

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Solution

The fourth proportional to 317,275.50, 475,862.18 and 92,583.18 is: 138,859.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,275.50 : 475,862.18 = 92,583.18 : x
  2. Step 2: Convert to fraction form
    317,275.50/475,862.18 = 92,583.18/x
  3. Step 3: Cross multiply
    317,275.50x = 475,862.18 × 92,583.18
  4. Step 4: Simplify right side
    317,275.50x = 44,056,833,866.13
  5. Step 5: Solve for x
    x = 44,056,833,866.13/317,275.50
  6. Step 6: Final answer
    x = 138,859.87

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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.