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Finding the Fourth Proportional to 196,357.20, 294,535.80 and 169,630.80

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Solution

The fourth proportional to 196,357.20, 294,535.80 and 169,630.80 is: 254,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,357.20 : 294,535.80 = 169,630.80 : x
  2. Step 2: Convert to fraction form
    196,357.20/294,535.80 = 169,630.80/x
  3. Step 3: Cross multiply
    196,357.20x = 294,535.80 × 169,630.80
  4. Step 4: Simplify right side
    196,357.20x = 49,962,343,382.64
  5. Step 5: Solve for x
    x = 49,962,343,382.64/196,357.20
  6. Step 6: Final answer
    x = 254,446.20

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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.