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Finding the Fourth Proportional to 224,521.26, 336,490.28 and 91,246.42

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Solution

The fourth proportional to 224,521.26, 336,490.28 and 91,246.42 is: 136,751.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,521.26 : 336,490.28 = 91,246.42 : x
  2. Step 2: Convert to fraction form
    224,521.26/336,490.28 = 91,246.42/x
  3. Step 3: Cross multiply
    224,521.26x = 336,490.28 × 91,246.42
  4. Step 4: Simplify right side
    224,521.26x = 30,703,533,414.80
  5. Step 5: Solve for x
    x = 30,703,533,414.80/224,521.26
  6. Step 6: Final answer
    x = 136,751.12

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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.