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Finding the Fourth Proportional to 240,424.34, 360,632.25 and 71,945.15

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Solution

The fourth proportional to 240,424.34, 360,632.25 and 71,945.15 is: 107,916.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,424.34 : 360,632.25 = 71,945.15 : x
  2. Step 2: Convert to fraction form
    240,424.34/360,632.25 = 71,945.15/x
  3. Step 3: Cross multiply
    240,424.34x = 360,632.25 × 71,945.15
  4. Step 4: Simplify right side
    240,424.34x = 25,945,739,517.93
  5. Step 5: Solve for x
    x = 25,945,739,517.93/240,424.34
  6. Step 6: Final answer
    x = 107,916.44

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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.