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Finding the Fourth Proportional to 73,118.99, 100,911.27 and 44,432.33

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Solution

The fourth proportional to 73,118.99, 100,911.27 and 44,432.33 is: 61,320.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,118.99 : 100,911.27 = 44,432.33 : x
  2. Step 2: Convert to fraction form
    73,118.99/100,911.27 = 44,432.33/x
  3. Step 3: Cross multiply
    73,118.99x = 100,911.27 × 44,432.33
  4. Step 4: Simplify right side
    73,118.99x = 4,483,722,344.80
  5. Step 5: Solve for x
    x = 4,483,722,344.80/73,118.99
  6. Step 6: Final answer
    x = 61,320.91

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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.