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Finding the Fourth Proportional to 247,101.40, 370,652.10 and 162,974.80

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Solution

The fourth proportional to 247,101.40, 370,652.10 and 162,974.80 is: 244,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,101.40 : 370,652.10 = 162,974.80 : x
  2. Step 2: Convert to fraction form
    247,101.40/370,652.10 = 162,974.80/x
  3. Step 3: Cross multiply
    247,101.40x = 370,652.10 × 162,974.80
  4. Step 4: Simplify right side
    247,101.40x = 60,406,951,867.08
  5. Step 5: Solve for x
    x = 60,406,951,867.08/247,101.40
  6. Step 6: Final answer
    x = 244,462.20

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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.