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Finding the Fourth Proportional to 86,067.57, 118,738.57 and 52,016.95

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Solution

The fourth proportional to 86,067.57, 118,738.57 and 52,016.95 is: 71,762.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,067.57 : 118,738.57 = 52,016.95 : x
  2. Step 2: Convert to fraction form
    86,067.57/118,738.57 = 52,016.95/x
  3. Step 3: Cross multiply
    86,067.57x = 118,738.57 × 52,016.95
  4. Step 4: Simplify right side
    86,067.57x = 6,176,417,665.07
  5. Step 5: Solve for x
    x = 6,176,417,665.07/86,067.57
  6. Step 6: Final answer
    x = 71,762.42

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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.