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Finding the Fourth Proportional to 76,067.70, 114,101.55 and 34,514.70

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Solution

The fourth proportional to 76,067.70, 114,101.55 and 34,514.70 is: 51,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,067.70 : 114,101.55 = 34,514.70 : x
  2. Step 2: Convert to fraction form
    76,067.70/114,101.55 = 34,514.70/x
  3. Step 3: Cross multiply
    76,067.70x = 114,101.55 × 34,514.70
  4. Step 4: Simplify right side
    76,067.70x = 3,938,180,767.79
  5. Step 5: Solve for x
    x = 3,938,180,767.79/76,067.70
  6. Step 6: Final answer
    x = 51,772.05

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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.