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Finding the Fourth Proportional to 148,125.70, 222,188.55 and 88,930.90

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Solution

The fourth proportional to 148,125.70, 222,188.55 and 88,930.90 is: 133,396.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,125.70 : 222,188.55 = 88,930.90 : x
  2. Step 2: Convert to fraction form
    148,125.70/222,188.55 = 88,930.90/x
  3. Step 3: Cross multiply
    148,125.70x = 222,188.55 × 88,930.90
  4. Step 4: Simplify right side
    148,125.70x = 19,759,427,721.20
  5. Step 5: Solve for x
    x = 19,759,427,721.20/148,125.70
  6. Step 6: Final answer
    x = 133,396.35

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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.