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Finding the Fourth Proportional to 266,226.75, 367,391.07 and 145,368

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Solution

The fourth proportional to 266,226.75, 367,391.07 and 145,368 is: 200,606.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,226.75 : 367,391.07 = 145,368 : x
  2. Step 2: Convert to fraction form
    266,226.75/367,391.07 = 145,368/x
  3. Step 3: Cross multiply
    266,226.75x = 367,391.07 × 145,368
  4. Step 4: Simplify right side
    266,226.75x = 53,406,905,063.76
  5. Step 5: Solve for x
    x = 53,406,905,063.76/266,226.75
  6. Step 6: Final answer
    x = 200,606.83

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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.