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Finding the Fourth Proportional to 68,888.97, 103,250.43 and 59,837.22

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Solution

The fourth proportional to 68,888.97, 103,250.43 and 59,837.22 is: 89,683.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,888.97 : 103,250.43 = 59,837.22 : x
  2. Step 2: Convert to fraction form
    68,888.97/103,250.43 = 59,837.22/x
  3. Step 3: Cross multiply
    68,888.97x = 103,250.43 × 59,837.22
  4. Step 4: Simplify right side
    68,888.97x = 6,178,218,695.00
  5. Step 5: Solve for x
    x = 6,178,218,695.00/68,888.97
  6. Step 6: Final answer
    x = 89,683.71

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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.