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Finding the Fourth Proportional to 339,022.80, 508,210.20 and 125,733.60

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Solution

The fourth proportional to 339,022.80, 508,210.20 and 125,733.60 is: 188,480.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,022.80 : 508,210.20 = 125,733.60 : x
  2. Step 2: Convert to fraction form
    339,022.80/508,210.20 = 125,733.60/x
  3. Step 3: Cross multiply
    339,022.80x = 508,210.20 × 125,733.60
  4. Step 4: Simplify right side
    339,022.80x = 63,899,098,002.72
  5. Step 5: Solve for x
    x = 63,899,098,002.72/339,022.80
  6. Step 6: Final answer
    x = 188,480.24

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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.