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Finding the Fourth Proportional to 103,324.98, 154,987.48 and 40,995.48

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Solution

The fourth proportional to 103,324.98, 154,987.48 and 40,995.48 is: 61,493.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,324.98 : 154,987.48 = 40,995.48 : x
  2. Step 2: Convert to fraction form
    103,324.98/154,987.48 = 40,995.48/x
  3. Step 3: Cross multiply
    103,324.98x = 154,987.48 × 40,995.48
  4. Step 4: Simplify right side
    103,324.98x = 6,353,786,136.59
  5. Step 5: Solve for x
    x = 6,353,786,136.59/103,324.98
  6. Step 6: Final answer
    x = 61,493.22

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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.