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Finding the Fourth Proportional to 60,321.60, 90,568.80 and 34,077.60

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Solution

The fourth proportional to 60,321.60, 90,568.80 and 34,077.60 is: 51,165.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,321.60 : 90,568.80 = 34,077.60 : x
  2. Step 2: Convert to fraction form
    60,321.60/90,568.80 = 34,077.60/x
  3. Step 3: Cross multiply
    60,321.60x = 90,568.80 × 34,077.60
  4. Step 4: Simplify right side
    60,321.60x = 3,086,367,338.88
  5. Step 5: Solve for x
    x = 3,086,367,338.88/60,321.60
  6. Step 6: Final answer
    x = 51,165.21

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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.