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Finding the Fourth Proportional to 88,679.36, 122,367.48 and 50,965.76

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Solution

The fourth proportional to 88,679.36, 122,367.48 and 50,965.76 is: 70,326.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,679.36 : 122,367.48 = 50,965.76 : x
  2. Step 2: Convert to fraction form
    88,679.36/122,367.48 = 50,965.76/x
  3. Step 3: Cross multiply
    88,679.36x = 122,367.48 × 50,965.76
  4. Step 4: Simplify right side
    88,679.36x = 6,236,551,005.65
  5. Step 5: Solve for x
    x = 6,236,551,005.65/88,679.36
  6. Step 6: Final answer
    x = 70,326.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.