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Finding the Fourth Proportional to 83,355.52, 125,033.32 and 36,608.80

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Solution

The fourth proportional to 83,355.52, 125,033.32 and 36,608.80 is: 54,913.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,355.52 : 125,033.32 = 36,608.80 : x
  2. Step 2: Convert to fraction form
    83,355.52/125,033.32 = 36,608.80/x
  3. Step 3: Cross multiply
    83,355.52x = 125,033.32 × 36,608.80
  4. Step 4: Simplify right side
    83,355.52x = 4,577,319,805.22
  5. Step 5: Solve for x
    x = 4,577,319,805.22/83,355.52
  6. Step 6: Final answer
    x = 54,913.22

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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.