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Finding the Fourth Proportional to 220,008.59, 329,963.05 and 101,565.53

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Solution

The fourth proportional to 220,008.59, 329,963.05 and 101,565.53 is: 152,325.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,008.59 : 329,963.05 = 101,565.53 : x
  2. Step 2: Convert to fraction form
    220,008.59/329,963.05 = 101,565.53/x
  3. Step 3: Cross multiply
    220,008.59x = 329,963.05 × 101,565.53
  4. Step 4: Simplify right side
    220,008.59x = 33,512,871,768.17
  5. Step 5: Solve for x
    x = 33,512,871,768.17/220,008.59
  6. Step 6: Final answer
    x = 152,325.29

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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.