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Finding the Fourth Proportional to 68,054.88, 102,044.88 and 25,338.72

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Solution

The fourth proportional to 68,054.88, 102,044.88 and 25,338.72 is: 37,994.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,054.88 : 102,044.88 = 25,338.72 : x
  2. Step 2: Convert to fraction form
    68,054.88/102,044.88 = 25,338.72/x
  3. Step 3: Cross multiply
    68,054.88x = 102,044.88 × 25,338.72
  4. Step 4: Simplify right side
    68,054.88x = 2,585,686,641.75
  5. Step 5: Solve for x
    x = 2,585,686,641.75/68,054.88
  6. Step 6: Final answer
    x = 37,994.14

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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.