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Finding the Fourth Proportional to 167,886.84, 251,840.13 and 47,934.57

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Solution

The fourth proportional to 167,886.84, 251,840.13 and 47,934.57 is: 71,904.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,886.84 : 251,840.13 = 47,934.57 : x
  2. Step 2: Convert to fraction form
    167,886.84/251,840.13 = 47,934.57/x
  3. Step 3: Cross multiply
    167,886.84x = 251,840.13 × 47,934.57
  4. Step 4: Simplify right side
    167,886.84x = 12,071,848,340.29
  5. Step 5: Solve for x
    x = 12,071,848,340.29/167,886.84
  6. Step 6: Final answer
    x = 71,904.67

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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.