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Finding the Fourth Proportional to 83,267.98, 124,942.95 and 38,888.29

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Solution

The fourth proportional to 83,267.98, 124,942.95 and 38,888.29 is: 58,351.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,267.98 : 124,942.95 = 38,888.29 : x
  2. Step 2: Convert to fraction form
    83,267.98/124,942.95 = 38,888.29/x
  3. Step 3: Cross multiply
    83,267.98x = 124,942.95 × 38,888.29
  4. Step 4: Simplify right side
    83,267.98x = 4,858,817,673.06
  5. Step 5: Solve for x
    x = 4,858,817,673.06/83,267.98
  6. Step 6: Final answer
    x = 58,351.57

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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.