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Finding the Fourth Proportional to 108,681.14, 163,013.82 and 29,789.17

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Solution

The fourth proportional to 108,681.14, 163,013.82 and 29,789.17 is: 44,681.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,681.14 : 163,013.82 = 29,789.17 : x
  2. Step 2: Convert to fraction form
    108,681.14/163,013.82 = 29,789.17/x
  3. Step 3: Cross multiply
    108,681.14x = 163,013.82 × 29,789.17
  4. Step 4: Simplify right side
    108,681.14x = 4,856,045,877.09
  5. Step 5: Solve for x
    x = 4,856,045,877.09/108,681.14
  6. Step 6: Final answer
    x = 44,681.59

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1.5x scale

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.