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Finding the Fourth Proportional to 167,353.57, 251,030.34 and 42,694.57

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Solution

The fourth proportional to 167,353.57, 251,030.34 and 42,694.57 is: 64,041.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,353.57 : 251,030.34 = 42,694.57 : x
  2. Step 2: Convert to fraction form
    167,353.57/251,030.34 = 42,694.57/x
  3. Step 3: Cross multiply
    167,353.57x = 251,030.34 × 42,694.57
  4. Step 4: Simplify right side
    167,353.57x = 10,717,632,423.25
  5. Step 5: Solve for x
    x = 10,717,632,423.25/167,353.57
  6. Step 6: Final answer
    x = 64,041.85

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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.