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Finding the Fourth Proportional to 83,508.75, 124,949.25 and 58,597.40

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Solution

The fourth proportional to 83,508.75, 124,949.25 and 58,597.40 is: 87,675.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,508.75 : 124,949.25 = 58,597.40 : x
  2. Step 2: Convert to fraction form
    83,508.75/124,949.25 = 58,597.40/x
  3. Step 3: Cross multiply
    83,508.75x = 124,949.25 × 58,597.40
  4. Step 4: Simplify right side
    83,508.75x = 7,321,701,494.32
  5. Step 5: Solve for x
    x = 7,321,701,494.32/83,508.75
  6. Step 6: Final answer
    x = 87,675.86

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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.