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Finding the Fourth Proportional to 101,469.75, 152,180.03 and 42,273.13

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Solution

The fourth proportional to 101,469.75, 152,180.03 and 42,273.13 is: 63,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,469.75 : 152,180.03 = 42,273.13 : x
  2. Step 2: Convert to fraction form
    101,469.75/152,180.03 = 42,273.13/x
  3. Step 3: Cross multiply
    101,469.75x = 152,180.03 × 42,273.13
  4. Step 4: Simplify right side
    101,469.75x = 6,433,126,191.59
  5. Step 5: Solve for x
    x = 6,433,126,191.59/101,469.75
  6. Step 6: Final answer
    x = 63,399.45

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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.