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Finding the Fourth Proportional to 361,704.45, 542,551.03 and 88,153.79

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Solution

The fourth proportional to 361,704.45, 542,551.03 and 88,153.79 is: 132,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,704.45 : 542,551.03 = 88,153.79 : x
  2. Step 2: Convert to fraction form
    361,704.45/542,551.03 = 88,153.79/x
  3. Step 3: Cross multiply
    361,704.45x = 542,551.03 × 88,153.79
  4. Step 4: Simplify right side
    361,704.45x = 47,827,926,629.76
  5. Step 5: Solve for x
    x = 47,827,926,629.76/361,704.45
  6. Step 6: Final answer
    x = 132,229.30

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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.