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Finding the Fourth Proportional to 65,363.20, 98,044.80 and 60,697.60

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Solution

The fourth proportional to 65,363.20, 98,044.80 and 60,697.60 is: 91,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,363.20 : 98,044.80 = 60,697.60 : x
  2. Step 2: Convert to fraction form
    65,363.20/98,044.80 = 60,697.60/x
  3. Step 3: Cross multiply
    65,363.20x = 98,044.80 × 60,697.60
  4. Step 4: Simplify right side
    65,363.20x = 5,951,084,052.48
  5. Step 5: Solve for x
    x = 5,951,084,052.48/65,363.20
  6. Step 6: Final answer
    x = 91,046.40

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1.5x scale

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.