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Finding the Fourth Proportional to 107,272.92, 160,967.70 and 44,987.16

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Solution

The fourth proportional to 107,272.92, 160,967.70 and 44,987.16 is: 67,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,272.92 : 160,967.70 = 44,987.16 : x
  2. Step 2: Convert to fraction form
    107,272.92/160,967.70 = 44,987.16/x
  3. Step 3: Cross multiply
    107,272.92x = 160,967.70 × 44,987.16
  4. Step 4: Simplify right side
    107,272.92x = 7,241,479,674.73
  5. Step 5: Solve for x
    x = 7,241,479,674.73/107,272.92
  6. Step 6: Final answer
    x = 67,505.20

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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.