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Finding the Fourth Proportional to 148,377.88, 204,648.48 and 127,716.54

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Solution

The fourth proportional to 148,377.88, 204,648.48 and 127,716.54 is: 176,151.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,377.88 : 204,648.48 = 127,716.54 : x
  2. Step 2: Convert to fraction form
    148,377.88/204,648.48 = 127,716.54/x
  3. Step 3: Cross multiply
    148,377.88x = 204,648.48 × 127,716.54
  4. Step 4: Simplify right side
    148,377.88x = 26,136,995,781.86
  5. Step 5: Solve for x
    x = 26,136,995,781.86/148,377.88
  6. Step 6: Final answer
    x = 176,151.57

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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.