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Finding the Fourth Proportional to 303,012.43, 418,182.06 and 167,058.79

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Solution

The fourth proportional to 303,012.43, 418,182.06 and 167,058.79 is: 230,554.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,012.43 : 418,182.06 = 167,058.79 : x
  2. Step 2: Convert to fraction form
    303,012.43/418,182.06 = 167,058.79/x
  3. Step 3: Cross multiply
    303,012.43x = 418,182.06 × 167,058.79
  4. Step 4: Simplify right side
    303,012.43x = 69,860,988,943.31
  5. Step 5: Solve for x
    x = 69,860,988,943.31/303,012.43
  6. Step 6: Final answer
    x = 230,554.86

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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.