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Finding the Fourth Proportional to 101,317.65, 151,812.45 and 61,754.82

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Solution

The fourth proportional to 101,317.65, 151,812.45 and 61,754.82 is: 92,532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,317.65 : 151,812.45 = 61,754.82 : x
  2. Step 2: Convert to fraction form
    101,317.65/151,812.45 = 61,754.82/x
  3. Step 3: Cross multiply
    101,317.65x = 151,812.45 × 61,754.82
  4. Step 4: Simplify right side
    101,317.65x = 9,375,150,923.95
  5. Step 5: Solve for x
    x = 9,375,150,923.95/101,317.65
  6. Step 6: Final answer
    x = 92,532.26

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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.