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Finding the Fourth Proportional to 124,601.88, 171,950.54 and 68,013.28

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Solution

The fourth proportional to 124,601.88, 171,950.54 and 68,013.28 is: 93,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,601.88 : 171,950.54 = 68,013.28 : x
  2. Step 2: Convert to fraction form
    124,601.88/171,950.54 = 68,013.28/x
  3. Step 3: Cross multiply
    124,601.88x = 171,950.54 × 68,013.28
  4. Step 4: Simplify right side
    124,601.88x = 11,694,920,223.17
  5. Step 5: Solve for x
    x = 11,694,920,223.17/124,601.88
  6. Step 6: Final answer
    x = 93,858.30

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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.