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Finding the Fourth Proportional to 247,766.86, 341,859.44 and 145,796.76

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Solution

The fourth proportional to 247,766.86, 341,859.44 and 145,796.76 is: 201,164.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,766.86 : 341,859.44 = 145,796.76 : x
  2. Step 2: Convert to fraction form
    247,766.86/341,859.44 = 145,796.76/x
  3. Step 3: Cross multiply
    247,766.86x = 341,859.44 × 145,796.76
  4. Step 4: Simplify right side
    247,766.86x = 49,841,998,727.41
  5. Step 5: Solve for x
    x = 49,841,998,727.41/247,766.86
  6. Step 6: Final answer
    x = 201,164.91

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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.