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Finding the Fourth Proportional to 68,122.69, 93,956.05 and 44,257.05

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Solution

The fourth proportional to 68,122.69, 93,956.05 and 44,257.05 is: 61,040.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,122.69 : 93,956.05 = 44,257.05 : x
  2. Step 2: Convert to fraction form
    68,122.69/93,956.05 = 44,257.05/x
  3. Step 3: Cross multiply
    68,122.69x = 93,956.05 × 44,257.05
  4. Step 4: Simplify right side
    68,122.69x = 4,158,217,602.65
  5. Step 5: Solve for x
    x = 4,158,217,602.65/68,122.69
  6. Step 6: Final answer
    x = 61,040.13

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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.