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Finding the Fourth Proportional to 101,614.74, 152,377.97 and 54,219.26

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Solution

The fourth proportional to 101,614.74, 152,377.97 and 54,219.26 is: 81,305.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,614.74 : 152,377.97 = 54,219.26 : x
  2. Step 2: Convert to fraction form
    101,614.74/152,377.97 = 54,219.26/x
  3. Step 3: Cross multiply
    101,614.74x = 152,377.97 × 54,219.26
  4. Step 4: Simplify right side
    101,614.74x = 8,261,821,050.50
  5. Step 5: Solve for x
    x = 8,261,821,050.50/101,614.74
  6. Step 6: Final answer
    x = 81,305.34

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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.