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Finding the Fourth Proportional to 101,077.20, 151,486.20 and 48,373.20

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Solution

The fourth proportional to 101,077.20, 151,486.20 and 48,373.20 is: 72,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,077.20 : 151,486.20 = 48,373.20 : x
  2. Step 2: Convert to fraction form
    101,077.20/151,486.20 = 48,373.20/x
  3. Step 3: Cross multiply
    101,077.20x = 151,486.20 × 48,373.20
  4. Step 4: Simplify right side
    101,077.20x = 7,327,872,249.84
  5. Step 5: Solve for x
    x = 7,327,872,249.84/101,077.20
  6. Step 6: Final answer
    x = 72,497.78

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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.