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Finding the Fourth Proportional to 117,554.31, 162,226.04 and 63,839.79

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Solution

The fourth proportional to 117,554.31, 162,226.04 and 63,839.79 is: 88,099.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,554.31 : 162,226.04 = 63,839.79 : x
  2. Step 2: Convert to fraction form
    117,554.31/162,226.04 = 63,839.79/x
  3. Step 3: Cross multiply
    117,554.31x = 162,226.04 × 63,839.79
  4. Step 4: Simplify right side
    117,554.31x = 10,356,476,006.93
  5. Step 5: Solve for x
    x = 10,356,476,006.93/117,554.31
  6. Step 6: Final answer
    x = 88,099.50

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Why These Related Problems?

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