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Finding the Fourth Proportional to 60,321.66, 90,390.18 and 32,245.70

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Solution

The fourth proportional to 60,321.66, 90,390.18 and 32,245.70 is: 48,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,321.66 : 90,390.18 = 32,245.70 : x
  2. Step 2: Convert to fraction form
    60,321.66/90,390.18 = 32,245.70/x
  3. Step 3: Cross multiply
    60,321.66x = 90,390.18 × 32,245.70
  4. Step 4: Simplify right side
    60,321.66x = 2,914,694,114.81
  5. Step 5: Solve for x
    x = 2,914,694,114.81/60,321.66
  6. Step 6: Final answer
    x = 48,319.19

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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.