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Finding the Fourth Proportional to 83,765.80, 125,664.90 and 24,603.40

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Solution

The fourth proportional to 83,765.80, 125,664.90 and 24,603.40 is: 36,909.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,765.80 : 125,664.90 = 24,603.40 : x
  2. Step 2: Convert to fraction form
    83,765.80/125,664.90 = 24,603.40/x
  3. Step 3: Cross multiply
    83,765.80x = 125,664.90 × 24,603.40
  4. Step 4: Simplify right side
    83,765.80x = 3,091,783,800.66
  5. Step 5: Solve for x
    x = 3,091,783,800.66/83,765.80
  6. Step 6: Final answer
    x = 36,909.86

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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.