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Finding the Fourth Proportional to 90,425.55, 135,610.62 and 62,524.90

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Solution

The fourth proportional to 90,425.55, 135,610.62 and 62,524.90 is: 93,768.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,425.55 : 135,610.62 = 62,524.90 : x
  2. Step 2: Convert to fraction form
    90,425.55/135,610.62 = 62,524.90/x
  3. Step 3: Cross multiply
    90,425.55x = 135,610.62 × 62,524.90
  4. Step 4: Simplify right side
    90,425.55x = 8,479,040,550.48
  5. Step 5: Solve for x
    x = 8,479,040,550.48/90,425.55
  6. Step 6: Final answer
    x = 93,768.19

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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.