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Finding the Fourth Proportional to 220,275.06, 304,028.47 and 124,834.38

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Solution

The fourth proportional to 220,275.06, 304,028.47 and 124,834.38 is: 172,299.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,275.06 : 304,028.47 = 124,834.38 : x
  2. Step 2: Convert to fraction form
    220,275.06/304,028.47 = 124,834.38/x
  3. Step 3: Cross multiply
    220,275.06x = 304,028.47 × 124,834.38
  4. Step 4: Simplify right side
    220,275.06x = 37,953,205,554.80
  5. Step 5: Solve for x
    x = 37,953,205,554.80/220,275.06
  6. Step 6: Final answer
    x = 172,299.15

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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.