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Finding the Fourth Proportional to 167,243.88, 230,759.96 and 99,283.26

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Solution

The fourth proportional to 167,243.88, 230,759.96 and 99,283.26 is: 136,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,243.88 : 230,759.96 = 99,283.26 : x
  2. Step 2: Convert to fraction form
    167,243.88/230,759.96 = 99,283.26/x
  3. Step 3: Cross multiply
    167,243.88x = 230,759.96 × 99,283.26
  4. Step 4: Simplify right side
    167,243.88x = 22,910,601,106.27
  5. Step 5: Solve for x
    x = 22,910,601,106.27/167,243.88
  6. Step 6: Final answer
    x = 136,989.17

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1.5x scale

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.