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Finding the Fourth Proportional to 177,894.01, 267,048.78 and 140,479.30

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Solution

The fourth proportional to 177,894.01, 267,048.78 and 140,479.30 is: 210,883.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,894.01 : 267,048.78 = 140,479.30 : x
  2. Step 2: Convert to fraction form
    177,894.01/267,048.78 = 140,479.30/x
  3. Step 3: Cross multiply
    177,894.01x = 267,048.78 × 140,479.30
  4. Step 4: Simplify right side
    177,894.01x = 37,514,825,680.25
  5. Step 5: Solve for x
    x = 37,514,825,680.25/177,894.01
  6. Step 6: Final answer
    x = 210,883.02

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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.