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Finding the Fourth Proportional to 124,855.50, 187,301.88 and 45,963.66

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Solution

The fourth proportional to 124,855.50, 187,301.88 and 45,963.66 is: 68,952.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,855.50 : 187,301.88 = 45,963.66 : x
  2. Step 2: Convert to fraction form
    124,855.50/187,301.88 = 45,963.66/x
  3. Step 3: Cross multiply
    124,855.50x = 187,301.88 × 45,963.66
  4. Step 4: Simplify right side
    124,855.50x = 8,609,079,929.68
  5. Step 5: Solve for x
    x = 8,609,079,929.68/124,855.50
  6. Step 6: Final answer
    x = 68,952.35

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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.