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Finding the Fourth Proportional to 101,369.88, 151,678.17 and 63,754.29

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Solution

The fourth proportional to 101,369.88, 151,678.17 and 63,754.29 is: 95,394.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,369.88 : 151,678.17 = 63,754.29 : x
  2. Step 2: Convert to fraction form
    101,369.88/151,678.17 = 63,754.29/x
  3. Step 3: Cross multiply
    101,369.88x = 151,678.17 × 63,754.29
  4. Step 4: Simplify right side
    101,369.88x = 9,670,134,036.85
  5. Step 5: Solve for x
    x = 9,670,134,036.85/101,369.88
  6. Step 6: Final answer
    x = 95,394.55

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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.