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Finding the Fourth Proportional to 167,291.78, 250,899.39 and 99,842.90

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Solution

The fourth proportional to 167,291.78, 250,899.39 and 99,842.90 is: 149,741.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,291.78 : 250,899.39 = 99,842.90 : x
  2. Step 2: Convert to fraction form
    167,291.78/250,899.39 = 99,842.90/x
  3. Step 3: Cross multiply
    167,291.78x = 250,899.39 × 99,842.90
  4. Step 4: Simplify right side
    167,291.78x = 25,050,521,451.33
  5. Step 5: Solve for x
    x = 25,050,521,451.33/167,291.78
  6. Step 6: Final answer
    x = 149,741.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.