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Finding the Fourth Proportional to 247,227.72, 369,922.98 and 147,442.20

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Solution

The fourth proportional to 247,227.72, 369,922.98 and 147,442.20 is: 220,615.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,227.72 : 369,922.98 = 147,442.20 : x
  2. Step 2: Convert to fraction form
    247,227.72/369,922.98 = 147,442.20/x
  3. Step 3: Cross multiply
    247,227.72x = 369,922.98 × 147,442.20
  4. Step 4: Simplify right side
    247,227.72x = 54,542,258,001.76
  5. Step 5: Solve for x
    x = 54,542,258,001.76/247,227.72
  6. Step 6: Final answer
    x = 220,615.46

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1.5x scale

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.