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Finding the Fourth Proportional to 101,995.49, 152,883.86 and 49,332.53

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Solution

The fourth proportional to 101,995.49, 152,883.86 and 49,332.53 is: 73,945.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,995.49 : 152,883.86 = 49,332.53 : x
  2. Step 2: Convert to fraction form
    101,995.49/152,883.86 = 49,332.53/x
  3. Step 3: Cross multiply
    101,995.49x = 152,883.86 × 49,332.53
  4. Step 4: Simplify right side
    101,995.49x = 7,542,147,363.30
  5. Step 5: Solve for x
    x = 7,542,147,363.30/101,995.49
  6. Step 6: Final answer
    x = 73,945.89

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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.