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Finding the Fourth Proportional to 73,180.58, 100,988.69 and 41,349.42

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Solution

The fourth proportional to 73,180.58, 100,988.69 and 41,349.42 is: 57,061.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,180.58 : 100,988.69 = 41,349.42 : x
  2. Step 2: Convert to fraction form
    73,180.58/100,988.69 = 41,349.42/x
  3. Step 3: Cross multiply
    73,180.58x = 100,988.69 × 41,349.42
  4. Step 4: Simplify right side
    73,180.58x = 4,175,823,551.31
  5. Step 5: Solve for x
    x = 4,175,823,551.31/73,180.58
  6. Step 6: Final answer
    x = 57,061.91

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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.