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Finding the Fourth Proportional to 64,101.98, 96,141.86 and 17,343.92

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Solution

The fourth proportional to 64,101.98, 96,141.86 and 17,343.92 is: 26,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,101.98 : 96,141.86 = 17,343.92 : x
  2. Step 2: Convert to fraction form
    64,101.98/96,141.86 = 17,343.92/x
  3. Step 3: Cross multiply
    64,101.98x = 96,141.86 × 17,343.92
  4. Step 4: Simplify right side
    64,101.98x = 1,667,476,728.49
  5. Step 5: Solve for x
    x = 1,667,476,728.49/64,101.98
  6. Step 6: Final answer
    x = 26,012.87

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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.