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Finding the Fourth Proportional to 101,344.80, 152,017.20 and 73,351.20

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Solution

The fourth proportional to 101,344.80, 152,017.20 and 73,351.20 is: 110,026.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,344.80 : 152,017.20 = 73,351.20 : x
  2. Step 2: Convert to fraction form
    101,344.80/152,017.20 = 73,351.20/x
  3. Step 3: Cross multiply
    101,344.80x = 152,017.20 × 73,351.20
  4. Step 4: Simplify right side
    101,344.80x = 11,150,644,040.64
  5. Step 5: Solve for x
    x = 11,150,644,040.64/101,344.80
  6. Step 6: Final answer
    x = 110,026.80

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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.