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Finding the Fourth Proportional to 224,754.64, 336,933.90 and 91,746.64

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Solution

The fourth proportional to 224,754.64, 336,933.90 and 91,746.64 is: 137,539.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,754.64 : 336,933.90 = 91,746.64 : x
  2. Step 2: Convert to fraction form
    224,754.64/336,933.90 = 91,746.64/x
  3. Step 3: Cross multiply
    224,754.64x = 336,933.90 × 91,746.64
  4. Step 4: Simplify right side
    224,754.64x = 30,912,553,227.10
  5. Step 5: Solve for x
    x = 30,912,553,227.10/224,754.64
  6. Step 6: Final answer
    x = 137,539.11

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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.