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Finding the Fourth Proportional to 283,337.43, 424,938.11 and 83,603.85

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Solution

The fourth proportional to 283,337.43, 424,938.11 and 83,603.85 is: 125,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,337.43 : 424,938.11 = 83,603.85 : x
  2. Step 2: Convert to fraction form
    283,337.43/424,938.11 = 83,603.85/x
  3. Step 3: Cross multiply
    283,337.43x = 424,938.11 × 83,603.85
  4. Step 4: Simplify right side
    283,337.43x = 35,526,461,589.70
  5. Step 5: Solve for x
    x = 35,526,461,589.70/283,337.43
  6. Step 6: Final answer
    x = 125,385.70

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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.