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Finding the Fourth Proportional to 101,322.84, 151,961.14 and 38,149.62

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Solution

The fourth proportional to 101,322.84, 151,961.14 and 38,149.62 is: 57,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,322.84 : 151,961.14 = 38,149.62 : x
  2. Step 2: Convert to fraction form
    101,322.84/151,961.14 = 38,149.62/x
  3. Step 3: Cross multiply
    101,322.84x = 151,961.14 × 38,149.62
  4. Step 4: Simplify right side
    101,322.84x = 5,797,259,745.77
  5. Step 5: Solve for x
    x = 5,797,259,745.77/101,322.84
  6. Step 6: Final answer
    x = 57,215.72

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1.5x scale

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.