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Finding the Fourth Proportional to 75,349.55, 103,975.52 and 44,717.36

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Solution

The fourth proportional to 75,349.55, 103,975.52 and 44,717.36 is: 61,705.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,349.55 : 103,975.52 = 44,717.36 : x
  2. Step 2: Convert to fraction form
    75,349.55/103,975.52 = 44,717.36/x
  3. Step 3: Cross multiply
    75,349.55x = 103,975.52 × 44,717.36
  4. Step 4: Simplify right side
    75,349.55x = 4,649,510,015.56
  5. Step 5: Solve for x
    x = 4,649,510,015.56/75,349.55
  6. Step 6: Final answer
    x = 61,705.87

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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.