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Finding the Fourth Proportional to 167,335.79, 230,922.91 and 100,267.79

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Solution

The fourth proportional to 167,335.79, 230,922.91 and 100,267.79 is: 138,369.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,335.79 : 230,922.91 = 100,267.79 : x
  2. Step 2: Convert to fraction form
    167,335.79/230,922.91 = 100,267.79/x
  3. Step 3: Cross multiply
    167,335.79x = 230,922.91 × 100,267.79
  4. Step 4: Simplify right side
    167,335.79x = 23,154,129,846.07
  5. Step 5: Solve for x
    x = 23,154,129,846.07/167,335.79
  6. Step 6: Final answer
    x = 138,369.26

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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.