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Finding the Fourth Proportional to 147,174.60, 220,761.90 and 88,125.60

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Solution

The fourth proportional to 147,174.60, 220,761.90 and 88,125.60 is: 132,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,174.60 : 220,761.90 = 88,125.60 : x
  2. Step 2: Convert to fraction form
    147,174.60/220,761.90 = 88,125.60/x
  3. Step 3: Cross multiply
    147,174.60x = 220,761.90 × 88,125.60
  4. Step 4: Simplify right side
    147,174.60x = 19,454,774,894.64
  5. Step 5: Solve for x
    x = 19,454,774,894.64/147,174.60
  6. Step 6: Final answer
    x = 132,188.40

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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.