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Finding the Fourth Proportional to 195,843.72, 270,347 and 132,267.63

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Solution

The fourth proportional to 195,843.72, 270,347 and 132,267.63 is: 182,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,843.72 : 270,347 = 132,267.63 : x
  2. Step 2: Convert to fraction form
    195,843.72/270,347 = 132,267.63/x
  3. Step 3: Cross multiply
    195,843.72x = 270,347 × 132,267.63
  4. Step 4: Simplify right side
    195,843.72x = 35,758,156,967.61
  5. Step 5: Solve for x
    x = 35,758,156,967.61/195,843.72
  6. Step 6: Final answer
    x = 182,585.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.