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Finding the Fourth Proportional to 92,130.88, 137,523.44 and 79,067.20

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Solution

The fourth proportional to 92,130.88, 137,523.44 and 79,067.20 is: 118,023.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,130.88 : 137,523.44 = 79,067.20 : x
  2. Step 2: Convert to fraction form
    92,130.88/137,523.44 = 79,067.20/x
  3. Step 3: Cross multiply
    92,130.88x = 137,523.44 × 79,067.20
  4. Step 4: Simplify right side
    92,130.88x = 10,873,593,335.17
  5. Step 5: Solve for x
    x = 10,873,593,335.17/92,130.88
  6. Step 6: Final answer
    x = 118,023.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.