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Finding the Fourth Proportional to 303,425.16, 418,726.02 and 167,467.44

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Solution

The fourth proportional to 303,425.16, 418,726.02 and 167,467.44 is: 231,104.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,425.16 : 418,726.02 = 167,467.44 : x
  2. Step 2: Convert to fraction form
    303,425.16/418,726.02 = 167,467.44/x
  3. Step 3: Cross multiply
    303,425.16x = 418,726.02 × 167,467.44
  4. Step 4: Simplify right side
    303,425.16x = 70,122,974,630.79
  5. Step 5: Solve for x
    x = 70,122,974,630.79/303,425.16
  6. Step 6: Final answer
    x = 231,104.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.