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Finding the Fourth Proportional to 269,825.59, 372,359.87 and 148,967.11

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Solution

The fourth proportional to 269,825.59, 372,359.87 and 148,967.11 is: 205,574.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,825.59 : 372,359.87 = 148,967.11 : x
  2. Step 2: Convert to fraction form
    269,825.59/372,359.87 = 148,967.11/x
  3. Step 3: Cross multiply
    269,825.59x = 372,359.87 × 148,967.11
  4. Step 4: Simplify right side
    269,825.59x = 55,469,373,993.12
  5. Step 5: Solve for x
    x = 55,469,373,993.12/269,825.59
  6. Step 6: Final answer
    x = 205,574.92

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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.