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Finding the Fourth Proportional to 266,394.11, 367,631.07 and 159,026.45

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Solution

The fourth proportional to 266,394.11, 367,631.07 and 159,026.45 is: 219,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,394.11 : 367,631.07 = 159,026.45 : x
  2. Step 2: Convert to fraction form
    266,394.11/367,631.07 = 159,026.45/x
  3. Step 3: Cross multiply
    266,394.11x = 367,631.07 × 159,026.45
  4. Step 4: Simplify right side
    266,394.11x = 58,463,062,133.65
  5. Step 5: Solve for x
    x = 58,463,062,133.65/266,394.11
  6. Step 6: Final answer
    x = 219,460.80

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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.