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Finding the Fourth Proportional to 224,138.10, 336,297.27 and 91,028.79

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Solution

The fourth proportional to 224,138.10, 336,297.27 and 91,028.79 is: 136,579.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,138.10 : 336,297.27 = 91,028.79 : x
  2. Step 2: Convert to fraction form
    224,138.10/336,297.27 = 91,028.79/x
  3. Step 3: Cross multiply
    224,138.10x = 336,297.27 × 91,028.79
  4. Step 4: Simplify right side
    224,138.10x = 30,612,733,568.40
  5. Step 5: Solve for x
    x = 30,612,733,568.40/224,138.10
  6. Step 6: Final answer
    x = 136,579.79

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1.5x scale

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.