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Finding the Fourth Proportional to 245,805.68, 339,237.24 and 150,375.80

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Solution

The fourth proportional to 245,805.68, 339,237.24 and 150,375.80 is: 207,534.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,805.68 : 339,237.24 = 150,375.80 : x
  2. Step 2: Convert to fraction form
    245,805.68/339,237.24 = 150,375.80/x
  3. Step 3: Cross multiply
    245,805.68x = 339,237.24 × 150,375.80
  4. Step 4: Simplify right side
    245,805.68x = 51,013,071,354.79
  5. Step 5: Solve for x
    x = 51,013,071,354.79/245,805.68
  6. Step 6: Final answer
    x = 207,534.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.