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Finding the Fourth Proportional to 243,195.66, 335,514.69 and 141,203.70

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Solution

The fourth proportional to 243,195.66, 335,514.69 and 141,203.70 is: 194,805.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,195.66 : 335,514.69 = 141,203.70 : x
  2. Step 2: Convert to fraction form
    243,195.66/335,514.69 = 141,203.70/x
  3. Step 3: Cross multiply
    243,195.66x = 335,514.69 × 141,203.70
  4. Step 4: Simplify right side
    243,195.66x = 47,375,915,632.35
  5. Step 5: Solve for x
    x = 47,375,915,632.35/243,195.66
  6. Step 6: Final answer
    x = 194,805.76

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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.