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Finding the Fourth Proportional to 247,514.40, 371,313.72 and 97,676.28

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Solution

The fourth proportional to 247,514.40, 371,313.72 and 97,676.28 is: 146,531.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,514.40 : 371,313.72 = 97,676.28 : x
  2. Step 2: Convert to fraction form
    247,514.40/371,313.72 = 97,676.28/x
  3. Step 3: Cross multiply
    247,514.40x = 371,313.72 × 97,676.28
  4. Step 4: Simplify right side
    247,514.40x = 36,268,542,882.56
  5. Step 5: Solve for x
    x = 36,268,542,882.56/247,514.40
  6. Step 6: Final answer
    x = 146,531.04

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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.