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Finding the Fourth Proportional to 88,070.40, 131,954.40 and 41,227.20

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Solution

The fourth proportional to 88,070.40, 131,954.40 and 41,227.20 is: 61,770.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,070.40 : 131,954.40 = 41,227.20 : x
  2. Step 2: Convert to fraction form
    88,070.40/131,954.40 = 41,227.20/x
  3. Step 3: Cross multiply
    88,070.40x = 131,954.40 × 41,227.20
  4. Step 4: Simplify right side
    88,070.40x = 5,440,110,439.68
  5. Step 5: Solve for x
    x = 5,440,110,439.68/88,070.40
  6. Step 6: Final answer
    x = 61,770.02

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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.