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Finding the Fourth Proportional to 220,570.80, 304,443.24 and 125,134.80

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Solution

The fourth proportional to 220,570.80, 304,443.24 and 125,134.80 is: 172,717.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,570.80 : 304,443.24 = 125,134.80 : x
  2. Step 2: Convert to fraction form
    220,570.80/304,443.24 = 125,134.80/x
  3. Step 3: Cross multiply
    220,570.80x = 304,443.24 × 125,134.80
  4. Step 4: Simplify right side
    220,570.80x = 38,096,443,948.75
  5. Step 5: Solve for x
    x = 38,096,443,948.75/220,570.80
  6. Step 6: Final answer
    x = 172,717.53

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