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Finding the Fourth Proportional to 101,049.32, 151,573.96 and 69,363.28

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Solution

The fourth proportional to 101,049.32, 151,573.96 and 69,363.28 is: 104,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,049.32 : 151,573.96 = 69,363.28 : x
  2. Step 2: Convert to fraction form
    101,049.32/151,573.96 = 69,363.28/x
  3. Step 3: Cross multiply
    101,049.32x = 151,573.96 × 69,363.28
  4. Step 4: Simplify right side
    101,049.32x = 10,513,667,028.19
  5. Step 5: Solve for x
    x = 10,513,667,028.19/101,049.32
  6. Step 6: Final answer
    x = 104,044.91

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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.