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Finding the Fourth Proportional to 247,613.81, 340,941.92 and 193,385.03

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Solution

The fourth proportional to 247,613.81, 340,941.92 and 193,385.03 is: 266,273.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,613.81 : 340,941.92 = 193,385.03 : x
  2. Step 2: Convert to fraction form
    247,613.81/340,941.92 = 193,385.03/x
  3. Step 3: Cross multiply
    247,613.81x = 340,941.92 × 193,385.03
  4. Step 4: Simplify right side
    247,613.81x = 65,933,060,755.82
  5. Step 5: Solve for x
    x = 65,933,060,755.82/247,613.81
  6. Step 6: Final answer
    x = 266,273.77

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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.