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Finding the Fourth Proportional to 266,725.52, 368,081.26 and 145,867.04

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Solution

The fourth proportional to 266,725.52, 368,081.26 and 145,867.04 is: 201,296.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,725.52 : 368,081.26 = 145,867.04 : x
  2. Step 2: Convert to fraction form
    266,725.52/368,081.26 = 145,867.04/x
  3. Step 3: Cross multiply
    266,725.52x = 368,081.26 × 145,867.04
  4. Step 4: Simplify right side
    266,725.52x = 53,690,923,875.67
  5. Step 5: Solve for x
    x = 53,690,923,875.67/266,725.52
  6. Step 6: Final answer
    x = 201,296.54

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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.