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Finding the Fourth Proportional to 101,357.32, 151,871.82 and 61,794.76

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Solution

The fourth proportional to 101,357.32, 151,871.82 and 61,794.76 is: 92,592.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,357.32 : 151,871.82 = 61,794.76 : x
  2. Step 2: Convert to fraction form
    101,357.32/151,871.82 = 61,794.76/x
  3. Step 3: Cross multiply
    101,357.32x = 151,871.82 × 61,794.76
  4. Step 4: Simplify right side
    101,357.32x = 9,384,882,667.66
  5. Step 5: Solve for x
    x = 9,384,882,667.66/101,357.32
  6. Step 6: Final answer
    x = 92,592.06

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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.