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Finding the Fourth Proportional to 251,375.76, 346,862.46 and 147,948.48

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Solution

The fourth proportional to 251,375.76, 346,862.46 and 147,948.48 is: 204,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,375.76 : 346,862.46 = 147,948.48 : x
  2. Step 2: Convert to fraction form
    251,375.76/346,862.46 = 147,948.48/x
  3. Step 3: Cross multiply
    251,375.76x = 346,862.46 × 147,948.48
  4. Step 4: Simplify right side
    251,375.76x = 51,317,773,726.06
  5. Step 5: Solve for x
    x = 51,317,773,726.06/251,375.76
  6. Step 6: Final answer
    x = 204,147.66

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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.