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Finding the Fourth Proportional to 90,424.76, 135,609.43 and 62,524.11

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Solution

The fourth proportional to 90,424.76, 135,609.43 and 62,524.11 is: 93,767.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,424.76 : 135,609.43 = 62,524.11 : x
  2. Step 2: Convert to fraction form
    90,424.76/135,609.43 = 62,524.11/x
  3. Step 3: Cross multiply
    90,424.76x = 135,609.43 × 62,524.11
  4. Step 4: Simplify right side
    90,424.76x = 8,478,858,918.36
  5. Step 5: Solve for x
    x = 8,478,858,918.36/90,424.76
  6. Step 6: Final answer
    x = 93,767.00

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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.