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Finding the Fourth Proportional to 167,811.63, 251,679.01 and 47,866.30

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Solution

The fourth proportional to 167,811.63, 251,679.01 and 47,866.30 is: 71,788.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,811.63 : 251,679.01 = 47,866.30 : x
  2. Step 2: Convert to fraction form
    167,811.63/251,679.01 = 47,866.30/x
  3. Step 3: Cross multiply
    167,811.63x = 251,679.01 × 47,866.30
  4. Step 4: Simplify right side
    167,811.63x = 12,046,943,150.67
  5. Step 5: Solve for x
    x = 12,046,943,150.67/167,811.63
  6. Step 6: Final answer
    x = 71,788.49

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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.