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Finding the Fourth Proportional to 149,400.70, 224,101.05 and 148,363.90

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Solution

The fourth proportional to 149,400.70, 224,101.05 and 148,363.90 is: 222,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,400.70 : 224,101.05 = 148,363.90 : x
  2. Step 2: Convert to fraction form
    149,400.70/224,101.05 = 148,363.90/x
  3. Step 3: Cross multiply
    149,400.70x = 224,101.05 × 148,363.90
  4. Step 4: Simplify right side
    149,400.70x = 33,248,505,772.10
  5. Step 5: Solve for x
    x = 33,248,505,772.10/149,400.70
  6. Step 6: Final answer
    x = 222,545.85

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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.