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Finding the Fourth Proportional to 114,067.80, 157,414.56 and 63,077.88

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Solution

The fourth proportional to 114,067.80, 157,414.56 and 63,077.88 is: 87,048.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,067.80 : 157,414.56 = 63,077.88 : x
  2. Step 2: Convert to fraction form
    114,067.80/157,414.56 = 63,077.88/x
  3. Step 3: Cross multiply
    114,067.80x = 157,414.56 × 63,077.88
  4. Step 4: Simplify right side
    114,067.80x = 9,929,376,725.93
  5. Step 5: Solve for x
    x = 9,929,376,725.93/114,067.80
  6. Step 6: Final answer
    x = 87,048.03

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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.