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Finding the Fourth Proportional to 103,321.66, 154,982.50 and 33,250.18

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Solution

The fourth proportional to 103,321.66, 154,982.50 and 33,250.18 is: 49,875.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,321.66 : 154,982.50 = 33,250.18 : x
  2. Step 2: Convert to fraction form
    103,321.66/154,982.50 = 33,250.18/x
  3. Step 3: Cross multiply
    103,321.66x = 154,982.50 × 33,250.18
  4. Step 4: Simplify right side
    103,321.66x = 5,153,196,021.85
  5. Step 5: Solve for x
    x = 5,153,196,021.85/103,321.66
  6. Step 6: Final answer
    x = 49,875.27

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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.