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Finding the Fourth Proportional to 83,436.68, 125,067.54 and 39,026

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Solution

The fourth proportional to 83,436.68, 125,067.54 and 39,026 is: 58,498.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,436.68 : 125,067.54 = 39,026 : x
  2. Step 2: Convert to fraction form
    83,436.68/125,067.54 = 39,026/x
  3. Step 3: Cross multiply
    83,436.68x = 125,067.54 × 39,026
  4. Step 4: Simplify right side
    83,436.68x = 4,880,885,816.04
  5. Step 5: Solve for x
    x = 4,880,885,816.04/83,436.68
  6. Step 6: Final answer
    x = 58,498.08

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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.