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Finding the Fourth Proportional to 247,691.22, 341,843.07 and 147,089.22

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Solution

The fourth proportional to 247,691.22, 341,843.07 and 147,089.22 is: 203,000.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,691.22 : 341,843.07 = 147,089.22 : x
  2. Step 2: Convert to fraction form
    247,691.22/341,843.07 = 147,089.22/x
  3. Step 3: Cross multiply
    247,691.22x = 341,843.07 × 147,089.22
  4. Step 4: Simplify right side
    247,691.22x = 50,281,430,528.71
  5. Step 5: Solve for x
    x = 50,281,430,528.71/247,691.22
  6. Step 6: Final answer
    x = 203,000.46

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1.5x scale

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.