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Finding the Fourth Proportional to 60,365.60, 90,634.80 and 34,121.60

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Solution

The fourth proportional to 60,365.60, 90,634.80 and 34,121.60 is: 51,231.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,365.60 : 90,634.80 = 34,121.60 : x
  2. Step 2: Convert to fraction form
    60,365.60/90,634.80 = 34,121.60/x
  3. Step 3: Cross multiply
    60,365.60x = 90,634.80 × 34,121.60
  4. Step 4: Simplify right side
    60,365.60x = 3,092,604,391.68
  5. Step 5: Solve for x
    x = 3,092,604,391.68/60,365.60
  6. Step 6: Final answer
    x = 51,231.24

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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.