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Finding the Fourth Proportional to 266,188.96, 367,420.56 and 158,834.08

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Solution

The fourth proportional to 266,188.96, 367,420.56 and 158,834.08 is: 219,238.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,188.96 : 367,420.56 = 158,834.08 : x
  2. Step 2: Convert to fraction form
    266,188.96/367,420.56 = 158,834.08/x
  3. Step 3: Cross multiply
    266,188.96x = 367,420.56 × 158,834.08
  4. Step 4: Simplify right side
    266,188.96x = 58,358,906,620.68
  5. Step 5: Solve for x
    x = 58,358,906,620.68/266,188.96
  6. Step 6: Final answer
    x = 219,238.64

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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.