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Finding the Fourth Proportional to 75,093.66, 103,619.03 and 44,872.65

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Solution

The fourth proportional to 75,093.66, 103,619.03 and 44,872.65 is: 61,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,093.66 : 103,619.03 = 44,872.65 : x
  2. Step 2: Convert to fraction form
    75,093.66/103,619.03 = 44,872.65/x
  3. Step 3: Cross multiply
    75,093.66x = 103,619.03 × 44,872.65
  4. Step 4: Simplify right side
    75,093.66x = 4,649,660,242.17
  5. Step 5: Solve for x
    x = 4,649,660,242.17/75,093.66
  6. Step 6: Final answer
    x = 61,918.15

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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.