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Finding the Fourth Proportional to 68,488.44, 102,748.42 and 29,047.08

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Solution

The fourth proportional to 68,488.44, 102,748.42 and 29,047.08 is: 43,577.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,488.44 : 102,748.42 = 29,047.08 : x
  2. Step 2: Convert to fraction form
    68,488.44/102,748.42 = 29,047.08/x
  3. Step 3: Cross multiply
    68,488.44x = 102,748.42 × 29,047.08
  4. Step 4: Simplify right side
    68,488.44x = 2,984,541,575.61
  5. Step 5: Solve for x
    x = 2,984,541,575.61/68,488.44
  6. Step 6: Final answer
    x = 43,577.30

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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.