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Finding the Fourth Proportional to 167,408.75, 231,026.49 and 90,928.14

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Solution

The fourth proportional to 167,408.75, 231,026.49 and 90,928.14 is: 125,482.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,408.75 : 231,026.49 = 90,928.14 : x
  2. Step 2: Convert to fraction form
    167,408.75/231,026.49 = 90,928.14/x
  3. Step 3: Cross multiply
    167,408.75x = 231,026.49 × 90,928.14
  4. Step 4: Simplify right side
    167,408.75x = 21,006,809,026.43
  5. Step 5: Solve for x
    x = 21,006,809,026.43/167,408.75
  6. Step 6: Final answer
    x = 125,482.15

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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.