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Finding the Fourth Proportional to 86,067.80, 129,052.03 and 33,415.77

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Solution

The fourth proportional to 86,067.80, 129,052.03 and 33,415.77 is: 50,104.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,067.80 : 129,052.03 = 33,415.77 : x
  2. Step 2: Convert to fraction form
    86,067.80/129,052.03 = 33,415.77/x
  3. Step 3: Cross multiply
    86,067.80x = 129,052.03 × 33,415.77
  4. Step 4: Simplify right side
    86,067.80x = 4,312,372,952.51
  5. Step 5: Solve for x
    x = 4,312,372,952.51/86,067.80
  6. Step 6: Final answer
    x = 50,104.37

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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.