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Finding the Fourth Proportional to 220,356.06, 330,482.97 and 107,924.10

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Solution

The fourth proportional to 220,356.06, 330,482.97 and 107,924.10 is: 161,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,356.06 : 330,482.97 = 107,924.10 : x
  2. Step 2: Convert to fraction form
    220,356.06/330,482.97 = 107,924.10/x
  3. Step 3: Cross multiply
    220,356.06x = 330,482.97 × 107,924.10
  4. Step 4: Simplify right side
    220,356.06x = 35,667,077,102.58
  5. Step 5: Solve for x
    x = 35,667,077,102.58/220,356.06
  6. Step 6: Final answer
    x = 161,861.11

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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.