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Finding the Fourth Proportional to 283,569.70, 425,354.49 and 83,874.52

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Solution

The fourth proportional to 283,569.70, 425,354.49 and 83,874.52 is: 125,811.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,569.70 : 425,354.49 = 83,874.52 : x
  2. Step 2: Convert to fraction form
    283,569.70/425,354.49 = 83,874.52/x
  3. Step 3: Cross multiply
    283,569.70x = 425,354.49 × 83,874.52
  4. Step 4: Simplify right side
    283,569.70x = 35,676,403,678.59
  5. Step 5: Solve for x
    x = 35,676,403,678.59/283,569.70
  6. Step 6: Final answer
    x = 125,811.76

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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.