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Finding the Fourth Proportional to 68,792.23, 103,156.14 and 24,418

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Solution

The fourth proportional to 68,792.23, 103,156.14 and 24,418 is: 36,615.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,792.23 : 103,156.14 = 24,418 : x
  2. Step 2: Convert to fraction form
    68,792.23/103,156.14 = 24,418/x
  3. Step 3: Cross multiply
    68,792.23x = 103,156.14 × 24,418
  4. Step 4: Simplify right side
    68,792.23x = 2,518,866,626.52
  5. Step 5: Solve for x
    x = 2,518,866,626.52/68,792.23
  6. Step 6: Final answer
    x = 36,615.57

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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.