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Finding the Fourth Proportional to 177,794.20, 266,691.30 and 169,629.40

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Solution

The fourth proportional to 177,794.20, 266,691.30 and 169,629.40 is: 254,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,794.20 : 266,691.30 = 169,629.40 : x
  2. Step 2: Convert to fraction form
    177,794.20/266,691.30 = 169,629.40/x
  3. Step 3: Cross multiply
    177,794.20x = 266,691.30 × 169,629.40
  4. Step 4: Simplify right side
    177,794.20x = 45,238,685,204.22
  5. Step 5: Solve for x
    x = 45,238,685,204.22/177,794.20
  6. Step 6: Final answer
    x = 254,444.10

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1.5x scale

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.