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Finding the Fourth Proportional to 220,040.53, 303,656.91 and 124,565.69

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Solution

The fourth proportional to 220,040.53, 303,656.91 and 124,565.69 is: 171,901.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,040.53 : 303,656.91 = 124,565.69 : x
  2. Step 2: Convert to fraction form
    220,040.53/303,656.91 = 124,565.69/x
  3. Step 3: Cross multiply
    220,040.53x = 303,656.91 × 124,565.69
  4. Step 4: Simplify right side
    220,040.53x = 37,825,232,517.42
  5. Step 5: Solve for x
    x = 37,825,232,517.42/220,040.53
  6. Step 6: Final answer
    x = 171,901.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.