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Finding the Fourth Proportional to 167,870.84, 231,678.48 and 125,355.56

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Solution

The fourth proportional to 167,870.84, 231,678.48 and 125,355.56 is: 173,003.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,870.84 : 231,678.48 = 125,355.56 : x
  2. Step 2: Convert to fraction form
    167,870.84/231,678.48 = 125,355.56/x
  3. Step 3: Cross multiply
    167,870.84x = 231,678.48 × 125,355.56
  4. Step 4: Simplify right side
    167,870.84x = 29,042,185,600.35
  5. Step 5: Solve for x
    x = 29,042,185,600.35/167,870.84
  6. Step 6: Final answer
    x = 173,003.16

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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.