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Finding the Fourth Proportional to 235,939.20, 353,131.20 and 183,062.40

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Solution

The fourth proportional to 235,939.20, 353,131.20 and 183,062.40 is: 273,990.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,939.20 : 353,131.20 = 183,062.40 : x
  2. Step 2: Convert to fraction form
    235,939.20/353,131.20 = 183,062.40/x
  3. Step 3: Cross multiply
    235,939.20x = 353,131.20 × 183,062.40
  4. Step 4: Simplify right side
    235,939.20x = 64,645,044,986.88
  5. Step 5: Solve for x
    x = 64,645,044,986.88/235,939.20
  6. Step 6: Final answer
    x = 273,990.27

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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.