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Finding the Fourth Proportional to 69,181.65, 103,706.06 and 44,151.03

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Solution

The fourth proportional to 69,181.65, 103,706.06 and 44,151.03 is: 66,184.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,181.65 : 103,706.06 = 44,151.03 : x
  2. Step 2: Convert to fraction form
    69,181.65/103,706.06 = 44,151.03/x
  3. Step 3: Cross multiply
    69,181.65x = 103,706.06 × 44,151.03
  4. Step 4: Simplify right side
    69,181.65x = 4,578,729,145.49
  5. Step 5: Solve for x
    x = 4,578,729,145.49/69,181.65
  6. Step 6: Final answer
    x = 66,184.16

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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.