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Finding the Fourth Proportional to 122,626.80, 183,962.07 and 33,878.34

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Solution

The fourth proportional to 122,626.80, 183,962.07 and 33,878.34 is: 50,823.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,626.80 : 183,962.07 = 33,878.34 : x
  2. Step 2: Convert to fraction form
    122,626.80/183,962.07 = 33,878.34/x
  3. Step 3: Cross multiply
    122,626.80x = 183,962.07 × 33,878.34
  4. Step 4: Simplify right side
    122,626.80x = 6,232,329,554.56
  5. Step 5: Solve for x
    x = 6,232,329,554.56/122,626.80
  6. Step 6: Final answer
    x = 50,823.55

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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.