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Finding the Fourth Proportional to 83,957.34, 115,863.96 and 45,718.37

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Solution

The fourth proportional to 83,957.34, 115,863.96 and 45,718.37 is: 63,092.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,957.34 : 115,863.96 = 45,718.37 : x
  2. Step 2: Convert to fraction form
    83,957.34/115,863.96 = 45,718.37/x
  3. Step 3: Cross multiply
    83,957.34x = 115,863.96 × 45,718.37
  4. Step 4: Simplify right side
    83,957.34x = 5,297,111,392.95
  5. Step 5: Solve for x
    x = 5,297,111,392.95/83,957.34
  6. Step 6: Final answer
    x = 63,092.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.