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Finding the Fourth Proportional to 266,452.61, 367,700.21 and 145,591.29

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Solution

The fourth proportional to 266,452.61, 367,700.21 and 145,591.29 is: 200,913.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,452.61 : 367,700.21 = 145,591.29 : x
  2. Step 2: Convert to fraction form
    266,452.61/367,700.21 = 145,591.29/x
  3. Step 3: Cross multiply
    266,452.61x = 367,700.21 × 145,591.29
  4. Step 4: Simplify right side
    266,452.61x = 53,533,947,725.18
  5. Step 5: Solve for x
    x = 53,533,947,725.18/266,452.61
  6. Step 6: Final answer
    x = 200,913.58

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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.