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Finding the Fourth Proportional to 68,937.77, 103,416.37 and 24,551.39

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Solution

The fourth proportional to 68,937.77, 103,416.37 and 24,551.39 is: 36,830.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,937.77 : 103,416.37 = 24,551.39 : x
  2. Step 2: Convert to fraction form
    68,937.77/103,416.37 = 24,551.39/x
  3. Step 3: Cross multiply
    68,937.77x = 103,416.37 × 24,551.39
  4. Step 4: Simplify right side
    68,937.77x = 2,539,015,053.79
  5. Step 5: Solve for x
    x = 2,539,015,053.79/68,937.77
  6. Step 6: Final answer
    x = 36,830.54

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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.