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Finding the Fourth Proportional to 266,702.52, 368,049.83 and 145,843.43

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Solution

The fourth proportional to 266,702.52, 368,049.83 and 145,843.43 is: 201,264.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,702.52 : 368,049.83 = 145,843.43 : x
  2. Step 2: Convert to fraction form
    266,702.52/368,049.83 = 145,843.43/x
  3. Step 3: Cross multiply
    266,702.52x = 368,049.83 × 145,843.43
  4. Step 4: Simplify right side
    266,702.52x = 53,677,649,062.60
  5. Step 5: Solve for x
    x = 53,677,649,062.60/266,702.52
  6. Step 6: Final answer
    x = 201,264.13

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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.