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Finding the Fourth Proportional to 160,376.46, 240,644.88 and 71,693.61

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Solution

The fourth proportional to 160,376.46, 240,644.88 and 71,693.61 is: 107,576.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,376.46 : 240,644.88 = 71,693.61 : x
  2. Step 2: Convert to fraction form
    160,376.46/240,644.88 = 71,693.61/x
  3. Step 3: Cross multiply
    160,376.46x = 240,644.88 × 71,693.61
  4. Step 4: Simplify right side
    160,376.46x = 17,252,700,175.22
  5. Step 5: Solve for x
    x = 17,252,700,175.22/160,376.46
  6. Step 6: Final answer
    x = 107,576.26

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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.