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Finding the Fourth Proportional to 83,100.60, 124,569.90 and 47,525.40

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Solution

The fourth proportional to 83,100.60, 124,569.90 and 47,525.40 is: 71,241.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,100.60 : 124,569.90 = 47,525.40 : x
  2. Step 2: Convert to fraction form
    83,100.60/124,569.90 = 47,525.40/x
  3. Step 3: Cross multiply
    83,100.60x = 124,569.90 × 47,525.40
  4. Step 4: Simplify right side
    83,100.60x = 5,920,234,325.46
  5. Step 5: Solve for x
    x = 5,920,234,325.46/83,100.60
  6. Step 6: Final answer
    x = 71,241.78

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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.