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Finding the Fourth Proportional to 167,745.84, 231,486.92 and 91,264.06

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Solution

The fourth proportional to 167,745.84, 231,486.92 and 91,264.06 is: 125,943.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,745.84 : 231,486.92 = 91,264.06 : x
  2. Step 2: Convert to fraction form
    167,745.84/231,486.92 = 91,264.06/x
  3. Step 3: Cross multiply
    167,745.84x = 231,486.92 × 91,264.06
  4. Step 4: Simplify right side
    167,745.84x = 21,126,436,156.10
  5. Step 5: Solve for x
    x = 21,126,436,156.10/167,745.84
  6. Step 6: Final answer
    x = 125,943.13

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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.