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Finding the Fourth Proportional to 83,746.98, 125,549.81 and 36,326.37

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Solution

The fourth proportional to 83,746.98, 125,549.81 and 36,326.37 is: 54,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,746.98 : 125,549.81 = 36,326.37 : x
  2. Step 2: Convert to fraction form
    83,746.98/125,549.81 = 36,326.37/x
  3. Step 3: Cross multiply
    83,746.98x = 125,549.81 × 36,326.37
  4. Step 4: Simplify right side
    83,746.98x = 4,560,768,471.49
  5. Step 5: Solve for x
    x = 4,560,768,471.49/83,746.98
  6. Step 6: Final answer
    x = 54,458.90

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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.