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Finding the Fourth Proportional to 88,704.72, 133,005.95 and 60,658.75

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Solution

The fourth proportional to 88,704.72, 133,005.95 and 60,658.75 is: 90,953.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,704.72 : 133,005.95 = 60,658.75 : x
  2. Step 2: Convert to fraction form
    88,704.72/133,005.95 = 60,658.75/x
  3. Step 3: Cross multiply
    88,704.72x = 133,005.95 × 60,658.75
  4. Step 4: Simplify right side
    88,704.72x = 8,067,974,902.72
  5. Step 5: Solve for x
    x = 8,067,974,902.72/88,704.72
  6. Step 6: Final answer
    x = 90,953.16

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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.