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Finding the Fourth Proportional to 167,211.24, 230,736.24 and 99,216.51

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Solution

The fourth proportional to 167,211.24, 230,736.24 and 99,216.51 is: 136,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,211.24 : 230,736.24 = 99,216.51 : x
  2. Step 2: Convert to fraction form
    167,211.24/230,736.24 = 99,216.51/x
  3. Step 3: Cross multiply
    167,211.24x = 230,736.24 × 99,216.51
  4. Step 4: Simplify right side
    167,211.24x = 22,892,844,463.32
  5. Step 5: Solve for x
    x = 22,892,844,463.32/167,211.24
  6. Step 6: Final answer
    x = 136,909.72

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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.