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Finding the Fourth Proportional to 251,747.90, 377,531.90 and 83,237.12

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Solution

The fourth proportional to 251,747.90, 377,531.90 and 83,237.12 is: 124,825.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,747.90 : 377,531.90 = 83,237.12 : x
  2. Step 2: Convert to fraction form
    251,747.90/377,531.90 = 83,237.12/x
  3. Step 3: Cross multiply
    251,747.90x = 377,531.90 × 83,237.12
  4. Step 4: Simplify right side
    251,747.90x = 31,424,668,064.13
  5. Step 5: Solve for x
    x = 31,424,668,064.13/251,747.90
  6. Step 6: Final answer
    x = 124,825.94

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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.