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Finding the Fourth Proportional to 103,336.90, 155,005.35 and 33,223.30

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Solution

The fourth proportional to 103,336.90, 155,005.35 and 33,223.30 is: 49,834.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,336.90 : 155,005.35 = 33,223.30 : x
  2. Step 2: Convert to fraction form
    103,336.90/155,005.35 = 33,223.30/x
  3. Step 3: Cross multiply
    103,336.90x = 155,005.35 × 33,223.30
  4. Step 4: Simplify right side
    103,336.90x = 5,149,789,244.66
  5. Step 5: Solve for x
    x = 5,149,789,244.66/103,336.90
  6. Step 6: Final answer
    x = 49,834.95

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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.