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Finding the Fourth Proportional to 65,282.60, 98,132.70 and 60,660.20

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Solution

The fourth proportional to 65,282.60, 98,132.70 and 60,660.20 is: 91,184.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,282.60 : 98,132.70 = 60,660.20 : x
  2. Step 2: Convert to fraction form
    65,282.60/98,132.70 = 60,660.20/x
  3. Step 3: Cross multiply
    65,282.60x = 98,132.70 × 60,660.20
  4. Step 4: Simplify right side
    65,282.60x = 5,952,749,208.54
  5. Step 5: Solve for x
    x = 5,952,749,208.54/65,282.60
  6. Step 6: Final answer
    x = 91,184.32

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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.