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Finding the Fourth Proportional to 101,277.96, 151,949.76 and 48,691.56

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Solution

The fourth proportional to 101,277.96, 151,949.76 and 48,691.56 is: 73,053.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,277.96 : 151,949.76 = 48,691.56 : x
  2. Step 2: Convert to fraction form
    101,277.96/151,949.76 = 48,691.56/x
  3. Step 3: Cross multiply
    101,277.96x = 151,949.76 × 48,691.56
  4. Step 4: Simplify right side
    101,277.96x = 7,398,670,856.03
  5. Step 5: Solve for x
    x = 7,398,670,856.03/101,277.96
  6. Step 6: Final answer
    x = 73,053.12

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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.