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Finding the Fourth Proportional to 160,761.30, 240,748.22 and 113,259.66

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Solution

The fourth proportional to 160,761.30, 240,748.22 and 113,259.66 is: 169,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,761.30 : 240,748.22 = 113,259.66 : x
  2. Step 2: Convert to fraction form
    160,761.30/240,748.22 = 113,259.66/x
  3. Step 3: Cross multiply
    160,761.30x = 240,748.22 × 113,259.66
  4. Step 4: Simplify right side
    160,761.30x = 27,267,061,542.81
  5. Step 5: Solve for x
    x = 27,267,061,542.81/160,761.30
  6. Step 6: Final answer
    x = 169,612.10

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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.