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Finding the Fourth Proportional to 83,522.53, 125,224.28 and 39,125.07

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Solution

The fourth proportional to 83,522.53, 125,224.28 and 39,125.07 is: 58,659.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,522.53 : 125,224.28 = 39,125.07 : x
  2. Step 2: Convert to fraction form
    83,522.53/125,224.28 = 39,125.07/x
  3. Step 3: Cross multiply
    83,522.53x = 125,224.28 × 39,125.07
  4. Step 4: Simplify right side
    83,522.53x = 4,899,408,671.79
  5. Step 5: Solve for x
    x = 4,899,408,671.79/83,522.53
  6. Step 6: Final answer
    x = 58,659.72

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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.