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Finding the Fourth Proportional to 83,539.92, 125,315.34 and 24,370.64

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Solution

The fourth proportional to 83,539.92, 125,315.34 and 24,370.64 is: 36,557.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,539.92 : 125,315.34 = 24,370.64 : x
  2. Step 2: Convert to fraction form
    83,539.92/125,315.34 = 24,370.64/x
  3. Step 3: Cross multiply
    83,539.92x = 125,315.34 × 24,370.64
  4. Step 4: Simplify right side
    83,539.92x = 3,054,015,037.62
  5. Step 5: Solve for x
    x = 3,054,015,037.62/83,539.92
  6. Step 6: Final answer
    x = 36,557.55

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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.