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Finding the Fourth Proportional to 366,627.96, 550,012.10 and 126,733.19

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Solution

The fourth proportional to 366,627.96, 550,012.10 and 126,733.19 is: 190,124.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,627.96 : 550,012.10 = 126,733.19 : x
  2. Step 2: Convert to fraction form
    366,627.96/550,012.10 = 126,733.19/x
  3. Step 3: Cross multiply
    366,627.96x = 550,012.10 × 126,733.19
  4. Step 4: Simplify right side
    366,627.96x = 69,704,784,587.87
  5. Step 5: Solve for x
    x = 69,704,784,587.87/366,627.96
  6. Step 6: Final answer
    x = 190,124.03

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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.