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Finding the Fourth Proportional to 68,792.86, 103,199.54 and 24,415.90

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Solution

The fourth proportional to 68,792.86, 103,199.54 and 24,415.90 is: 36,627.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,792.86 : 103,199.54 = 24,415.90 : x
  2. Step 2: Convert to fraction form
    68,792.86/103,199.54 = 24,415.90/x
  3. Step 3: Cross multiply
    68,792.86x = 103,199.54 × 24,415.90
  4. Step 4: Simplify right side
    68,792.86x = 2,519,709,268.61
  5. Step 5: Solve for x
    x = 2,519,709,268.61/68,792.86
  6. Step 6: Final answer
    x = 36,627.48

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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.