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Finding the Fourth Proportional to 269,885.26, 372,439.83 and 149,034.16

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Solution

The fourth proportional to 269,885.26, 372,439.83 and 149,034.16 is: 205,666.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,885.26 : 372,439.83 = 149,034.16 : x
  2. Step 2: Convert to fraction form
    269,885.26/372,439.83 = 149,034.16/x
  3. Step 3: Cross multiply
    269,885.26x = 372,439.83 × 149,034.16
  4. Step 4: Simplify right side
    269,885.26x = 55,506,257,214.59
  5. Step 5: Solve for x
    x = 55,506,257,214.59/269,885.26
  6. Step 6: Final answer
    x = 205,666.13

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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.