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Finding the Fourth Proportional to 240,520.03, 360,721.72 and 100,202.11

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Solution

The fourth proportional to 240,520.03, 360,721.72 and 100,202.11 is: 150,278.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,520.03 : 360,721.72 = 100,202.11 : x
  2. Step 2: Convert to fraction form
    240,520.03/360,721.72 = 100,202.11/x
  3. Step 3: Cross multiply
    240,520.03x = 360,721.72 × 100,202.11
  4. Step 4: Simplify right side
    240,520.03x = 36,145,077,466.83
  5. Step 5: Solve for x
    x = 36,145,077,466.83/240,520.03
  6. Step 6: Final answer
    x = 150,278.87

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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.