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Finding the Fourth Proportional to 224,036.34, 336,120.12 and 66,269

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Solution

The fourth proportional to 224,036.34, 336,120.12 and 66,269 is: 99,422.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,036.34 : 336,120.12 = 66,269 : x
  2. Step 2: Convert to fraction form
    224,036.34/336,120.12 = 66,269/x
  3. Step 3: Cross multiply
    224,036.34x = 336,120.12 × 66,269
  4. Step 4: Simplify right side
    224,036.34x = 22,274,344,232.28
  5. Step 5: Solve for x
    x = 22,274,344,232.28/224,036.34
  6. Step 6: Final answer
    x = 99,422.91

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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.