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Finding the Fourth Proportional to 167,391.00, 251,086.90 and 41,031.81

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Solution

The fourth proportional to 167,391.00, 251,086.90 and 41,031.81 is: 61,547.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,391.00 : 251,086.90 = 41,031.81 : x
  2. Step 2: Convert to fraction form
    167,391.00/251,086.90 = 41,031.81/x
  3. Step 3: Cross multiply
    167,391.00x = 251,086.90 × 41,031.81
  4. Step 4: Simplify right side
    167,391.00x = 10,302,548,718.85
  5. Step 5: Solve for x
    x = 10,302,548,718.85/167,391.00
  6. Step 6: Final answer
    x = 61,547.81

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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.