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Finding the Fourth Proportional to 207,179.68, 285,887.76 and 116,514.40

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Solution

The fourth proportional to 207,179.68, 285,887.76 and 116,514.40 is: 160,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,179.68 : 285,887.76 = 116,514.40 : x
  2. Step 2: Convert to fraction form
    207,179.68/285,887.76 = 116,514.40/x
  3. Step 3: Cross multiply
    207,179.68x = 285,887.76 × 116,514.40
  4. Step 4: Simplify right side
    207,179.68x = 33,310,040,823.74
  5. Step 5: Solve for x
    x = 33,310,040,823.74/207,179.68
  6. Step 6: Final answer
    x = 160,778.51

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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.