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Finding the Fourth Proportional to 107,469.77, 160,994.45 and 88,521.60

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Solution

The fourth proportional to 107,469.77, 160,994.45 and 88,521.60 is: 132,609.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,469.77 : 160,994.45 = 88,521.60 : x
  2. Step 2: Convert to fraction form
    107,469.77/160,994.45 = 88,521.60/x
  3. Step 3: Cross multiply
    107,469.77x = 160,994.45 × 88,521.60
  4. Step 4: Simplify right side
    107,469.77x = 14,251,486,265.00
  5. Step 5: Solve for x
    x = 14,251,486,265.00/107,469.77
  6. Step 6: Final answer
    x = 132,609.26

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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.