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Finding the Fourth Proportional to 68,656.92, 103,024.30 and 37,066.56

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Solution

The fourth proportional to 68,656.92, 103,024.30 and 37,066.56 is: 55,620.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,656.92 : 103,024.30 = 37,066.56 : x
  2. Step 2: Convert to fraction form
    68,656.92/103,024.30 = 37,066.56/x
  3. Step 3: Cross multiply
    68,656.92x = 103,024.30 × 37,066.56
  4. Step 4: Simplify right side
    68,656.92x = 3,818,756,397.41
  5. Step 5: Solve for x
    x = 3,818,756,397.41/68,656.92
  6. Step 6: Final answer
    x = 55,620.85

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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.