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Finding the Fourth Proportional to 266,376.72, 367,593.72 and 145,518.50

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Solution

The fourth proportional to 266,376.72, 367,593.72 and 145,518.50 is: 200,812.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,376.72 : 367,593.72 = 145,518.50 : x
  2. Step 2: Convert to fraction form
    266,376.72/367,593.72 = 145,518.50/x
  3. Step 3: Cross multiply
    266,376.72x = 367,593.72 × 145,518.50
  4. Step 4: Simplify right side
    266,376.72x = 53,491,686,743.82
  5. Step 5: Solve for x
    x = 53,491,686,743.82/266,376.72
  6. Step 6: Final answer
    x = 200,812.17

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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.