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Finding the Fourth Proportional to 68,705.58, 103,034.08 and 32,677.79

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Solution

The fourth proportional to 68,705.58, 103,034.08 and 32,677.79 is: 49,005.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,705.58 : 103,034.08 = 32,677.79 : x
  2. Step 2: Convert to fraction form
    68,705.58/103,034.08 = 32,677.79/x
  3. Step 3: Cross multiply
    68,705.58x = 103,034.08 × 32,677.79
  4. Step 4: Simplify right side
    68,705.58x = 3,366,926,204.97
  5. Step 5: Solve for x
    x = 3,366,926,204.97/68,705.58
  6. Step 6: Final answer
    x = 49,005.13

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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.