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Finding the Fourth Proportional to 167,326.56, 230,911.44 and 91,875

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Solution

The fourth proportional to 167,326.56, 230,911.44 and 91,875 is: 126,787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,326.56 : 230,911.44 = 91,875 : x
  2. Step 2: Convert to fraction form
    167,326.56/230,911.44 = 91,875/x
  3. Step 3: Cross multiply
    167,326.56x = 230,911.44 × 91,875
  4. Step 4: Simplify right side
    167,326.56x = 21,214,988,550
  5. Step 5: Solve for x
    x = 21,214,988,550/167,326.56
  6. Step 6: Final answer
    x = 126,787.93

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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.