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Finding the Fourth Proportional to 224,384.79, 336,489.71 and 84,066.87

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Solution

The fourth proportional to 224,384.79, 336,489.71 and 84,066.87 is: 126,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,384.79 : 336,489.71 = 84,066.87 : x
  2. Step 2: Convert to fraction form
    224,384.79/336,489.71 = 84,066.87/x
  3. Step 3: Cross multiply
    224,384.79x = 336,489.71 × 84,066.87
  4. Step 4: Simplify right side
    224,384.79x = 28,287,636,286.57
  5. Step 5: Solve for x
    x = 28,287,636,286.57/224,384.79
  6. Step 6: Final answer
    x = 126,067.53

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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.