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Finding the Fourth Proportional to 303,013.08, 418,157.91 and 167,049.32

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Solution

The fourth proportional to 303,013.08, 418,157.91 and 167,049.32 is: 230,527.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,013.08 : 418,157.91 = 167,049.32 : x
  2. Step 2: Convert to fraction form
    303,013.08/418,157.91 = 167,049.32/x
  3. Step 3: Cross multiply
    303,013.08x = 418,157.91 × 167,049.32
  4. Step 4: Simplify right side
    303,013.08x = 69,852,992,427.33
  5. Step 5: Solve for x
    x = 69,852,992,427.33/303,013.08
  6. Step 6: Final answer
    x = 230,527.98

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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.