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Finding the Fourth Proportional to 101,631.74, 152,499.65 and 48,383.96

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Solution

The fourth proportional to 101,631.74, 152,499.65 and 48,383.96 is: 72,600.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,631.74 : 152,499.65 = 48,383.96 : x
  2. Step 2: Convert to fraction form
    101,631.74/152,499.65 = 48,383.96/x
  3. Step 3: Cross multiply
    101,631.74x = 152,499.65 × 48,383.96
  4. Step 4: Simplify right side
    101,631.74x = 7,378,535,961.20
  5. Step 5: Solve for x
    x = 7,378,535,961.20/101,631.74
  6. Step 6: Final answer
    x = 72,600.71

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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.