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Finding the Fourth Proportional to 224,694.11, 336,928.26 and 74,881.91

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Solution

The fourth proportional to 224,694.11, 336,928.26 and 74,881.91 is: 112,285.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,694.11 : 336,928.26 = 74,881.91 : x
  2. Step 2: Convert to fraction form
    224,694.11/336,928.26 = 74,881.91/x
  3. Step 3: Cross multiply
    224,694.11x = 336,928.26 × 74,881.91
  4. Step 4: Simplify right side
    224,694.11x = 25,229,831,641.78
  5. Step 5: Solve for x
    x = 25,229,831,641.78/224,694.11
  6. Step 6: Final answer
    x = 112,285.24

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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.