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Finding the Fourth Proportional to 374,550.72, 561,842.48 and 108,338.14

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Solution

The fourth proportional to 374,550.72, 561,842.48 and 108,338.14 is: 162,511.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,550.72 : 561,842.48 = 108,338.14 : x
  2. Step 2: Convert to fraction form
    374,550.72/561,842.48 = 108,338.14/x
  3. Step 3: Cross multiply
    374,550.72x = 561,842.48 × 108,338.14
  4. Step 4: Simplify right side
    374,550.72x = 60,868,969,619.93
  5. Step 5: Solve for x
    x = 60,868,969,619.93/374,550.72
  6. Step 6: Final answer
    x = 162,511.96

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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.