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Finding the Fourth Proportional to 88,480.38, 122,129.60 and 60,202.47

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Solution

The fourth proportional to 88,480.38, 122,129.60 and 60,202.47 is: 83,097.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,480.38 : 122,129.60 = 60,202.47 : x
  2. Step 2: Convert to fraction form
    88,480.38/122,129.60 = 60,202.47/x
  3. Step 3: Cross multiply
    88,480.38x = 122,129.60 × 60,202.47
  4. Step 4: Simplify right side
    88,480.38x = 7,352,503,272.63
  5. Step 5: Solve for x
    x = 7,352,503,272.63/88,480.38
  6. Step 6: Final answer
    x = 83,097.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.