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Finding the Fourth Proportional to 60,158.73, 90,209.73 and 18,022.53

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Solution

The fourth proportional to 60,158.73, 90,209.73 and 18,022.53 is: 27,025.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,158.73 : 90,209.73 = 18,022.53 : x
  2. Step 2: Convert to fraction form
    60,158.73/90,209.73 = 18,022.53/x
  3. Step 3: Cross multiply
    60,158.73x = 90,209.73 × 18,022.53
  4. Step 4: Simplify right side
    60,158.73x = 1,625,807,565.22
  5. Step 5: Solve for x
    x = 1,625,807,565.22/60,158.73
  6. Step 6: Final answer
    x = 27,025.30

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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.