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Finding the Fourth Proportional to 167,390.57, 251,086.25 and 41,031.38

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Solution

The fourth proportional to 167,390.57, 251,086.25 and 41,031.38 is: 61,547.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,390.57 : 251,086.25 = 41,031.38 : x
  2. Step 2: Convert to fraction form
    167,390.57/251,086.25 = 41,031.38/x
  3. Step 3: Cross multiply
    167,390.57x = 251,086.25 × 41,031.38
  4. Step 4: Simplify right side
    167,390.57x = 10,302,413,875.94
  5. Step 5: Solve for x
    x = 10,302,413,875.94/167,390.57
  6. Step 6: Final answer
    x = 61,547.16

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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.