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Finding the Fourth Proportional to 83,132.55, 124,814.03 and 65,622.15

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Solution

The fourth proportional to 83,132.55, 124,814.03 and 65,622.15 is: 98,524.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,132.55 : 124,814.03 = 65,622.15 : x
  2. Step 2: Convert to fraction form
    83,132.55/124,814.03 = 65,622.15/x
  3. Step 3: Cross multiply
    83,132.55x = 124,814.03 × 65,622.15
  4. Step 4: Simplify right side
    83,132.55x = 8,190,564,670.65
  5. Step 5: Solve for x
    x = 8,190,564,670.65/83,132.55
  6. Step 6: Final answer
    x = 98,524.16

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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.