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Finding the Fourth Proportional to 247,797.30, 341,949.29 and 140,365.18

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Solution

The fourth proportional to 247,797.30, 341,949.29 and 140,365.18 is: 193,697.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,797.30 : 341,949.29 = 140,365.18 : x
  2. Step 2: Convert to fraction form
    247,797.30/341,949.29 = 140,365.18/x
  3. Step 3: Cross multiply
    247,797.30x = 341,949.29 × 140,365.18
  4. Step 4: Simplify right side
    247,797.30x = 47,997,773,641.72
  5. Step 5: Solve for x
    x = 47,997,773,641.72/247,797.30
  6. Step 6: Final answer
    x = 193,697.73

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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.