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Finding the Fourth Proportional to 266,606.82, 367,902.48 and 145,724.04

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Solution

The fourth proportional to 266,606.82, 367,902.48 and 145,724.04 is: 201,091.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,606.82 : 367,902.48 = 145,724.04 : x
  2. Step 2: Convert to fraction form
    266,606.82/367,902.48 = 145,724.04/x
  3. Step 3: Cross multiply
    266,606.82x = 367,902.48 × 145,724.04
  4. Step 4: Simplify right side
    266,606.82x = 53,612,235,711.62
  5. Step 5: Solve for x
    x = 53,612,235,711.62/266,606.82
  6. Step 6: Final answer
    x = 201,091.01

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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.