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Finding the Fourth Proportional to 167,390.62, 251,086.34 and 41,031.43

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Solution

The fourth proportional to 167,390.62, 251,086.34 and 41,031.43 is: 61,547.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,390.62 : 251,086.34 = 41,031.43 : x
  2. Step 2: Convert to fraction form
    167,390.62/251,086.34 = 41,031.43/x
  3. Step 3: Cross multiply
    167,390.62x = 251,086.34 × 41,031.43
  4. Step 4: Simplify right side
    167,390.62x = 10,302,431,378.51
  5. Step 5: Solve for x
    x = 10,302,431,378.51/167,390.62
  6. Step 6: Final answer
    x = 61,547.24

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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.