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Finding the Fourth Proportional to 88,480.50, 122,129.78 and 60,202.59

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Solution

The fourth proportional to 88,480.50, 122,129.78 and 60,202.59 is: 83,097.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,480.50 : 122,129.78 = 60,202.59 : x
  2. Step 2: Convert to fraction form
    88,480.50/122,129.78 = 60,202.59/x
  3. Step 3: Cross multiply
    88,480.50x = 122,129.78 × 60,202.59
  4. Step 4: Simplify right side
    88,480.50x = 7,352,528,771.12
  5. Step 5: Solve for x
    x = 7,352,528,771.12/88,480.50
  6. Step 6: Final answer
    x = 83,097.73

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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.