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Finding the Fourth Proportional to 101,043.32, 151,564.97 and 69,357.29

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Solution

The fourth proportional to 101,043.32, 151,564.97 and 69,357.29 is: 104,035.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,043.32 : 151,564.97 = 69,357.29 : x
  2. Step 2: Convert to fraction form
    101,043.32/151,564.97 = 69,357.29/x
  3. Step 3: Cross multiply
    101,043.32x = 151,564.97 × 69,357.29
  4. Step 4: Simplify right side
    101,043.32x = 10,512,134,473.52
  5. Step 5: Solve for x
    x = 10,512,134,473.52/101,043.32
  6. Step 6: Final answer
    x = 104,035.92

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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.