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Finding the Fourth Proportional to 224,651.49, 336,864.55 and 74,839.11

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Solution

The fourth proportional to 224,651.49, 336,864.55 and 74,839.11 is: 112,221.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,651.49 : 336,864.55 = 74,839.11 : x
  2. Step 2: Convert to fraction form
    224,651.49/336,864.55 = 74,839.11/x
  3. Step 3: Cross multiply
    224,651.49x = 336,864.55 × 74,839.11
  4. Step 4: Simplify right side
    224,651.49x = 25,210,643,112.55
  5. Step 5: Solve for x
    x = 25,210,643,112.55/224,651.49
  6. Step 6: Final answer
    x = 112,221.13

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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.