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Finding the Fourth Proportional to 124,522.26, 171,859.97 and 73,540.50

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Solution

The fourth proportional to 124,522.26, 171,859.97 and 73,540.50 is: 101,497.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,522.26 : 171,859.97 = 73,540.50 : x
  2. Step 2: Convert to fraction form
    124,522.26/171,859.97 = 73,540.50/x
  3. Step 3: Cross multiply
    124,522.26x = 171,859.97 × 73,540.50
  4. Step 4: Simplify right side
    124,522.26x = 12,638,668,123.79
  5. Step 5: Solve for x
    x = 12,638,668,123.79/124,522.26
  6. Step 6: Final answer
    x = 101,497.26

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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.