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Finding the Fourth Proportional to 283,572.70, 425,358.99 and 83,877.52

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Solution

The fourth proportional to 283,572.70, 425,358.99 and 83,877.52 is: 125,816.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,572.70 : 425,358.99 = 83,877.52 : x
  2. Step 2: Convert to fraction form
    283,572.70/425,358.99 = 83,877.52/x
  3. Step 3: Cross multiply
    283,572.70x = 425,358.99 × 83,877.52
  4. Step 4: Simplify right side
    283,572.70x = 35,678,057,190.90
  5. Step 5: Solve for x
    x = 35,678,057,190.90/283,572.70
  6. Step 6: Final answer
    x = 125,816.26

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1.5x scale

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.