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Finding the Fourth Proportional to 64,122.72, 96,184.08 and 17,375.61

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Solution

The fourth proportional to 64,122.72, 96,184.08 and 17,375.61 is: 26,063.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,122.72 : 96,184.08 = 17,375.61 : x
  2. Step 2: Convert to fraction form
    64,122.72/96,184.08 = 17,375.61/x
  3. Step 3: Cross multiply
    64,122.72x = 96,184.08 × 17,375.61
  4. Step 4: Simplify right side
    64,122.72x = 1,671,257,062.29
  5. Step 5: Solve for x
    x = 1,671,257,062.29/64,122.72
  6. Step 6: Final answer
    x = 26,063.42

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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.