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Finding the Fourth Proportional to 149,844.70, 224,767.05 and 61,049.80

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Solution

The fourth proportional to 149,844.70, 224,767.05 and 61,049.80 is: 91,574.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,844.70 : 224,767.05 = 61,049.80 : x
  2. Step 2: Convert to fraction form
    149,844.70/224,767.05 = 61,049.80/x
  3. Step 3: Cross multiply
    149,844.70x = 224,767.05 × 61,049.80
  4. Step 4: Simplify right side
    149,844.70x = 13,721,983,449.09
  5. Step 5: Solve for x
    x = 13,721,983,449.09/149,844.70
  6. Step 6: Final answer
    x = 91,574.70

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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.