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Finding the Fourth Proportional to 161,169.88, 241,780.74 and 67,702.36

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Solution

The fourth proportional to 161,169.88, 241,780.74 and 67,702.36 is: 101,564.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,169.88 : 241,780.74 = 67,702.36 : x
  2. Step 2: Convert to fraction form
    161,169.88/241,780.74 = 67,702.36/x
  3. Step 3: Cross multiply
    161,169.88x = 241,780.74 × 67,702.36
  4. Step 4: Simplify right side
    161,169.88x = 16,369,126,700.55
  5. Step 5: Solve for x
    x = 16,369,126,700.55/161,169.88
  6. Step 6: Final answer
    x = 101,564.43

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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.