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Finding the Fourth Proportional to 91,692.57, 137,524.10 and 25,117.14

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Solution

The fourth proportional to 91,692.57, 137,524.10 and 25,117.14 is: 37,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,692.57 : 137,524.10 = 25,117.14 : x
  2. Step 2: Convert to fraction form
    91,692.57/137,524.10 = 25,117.14/x
  3. Step 3: Cross multiply
    91,692.57x = 137,524.10 × 25,117.14
  4. Step 4: Simplify right side
    91,692.57x = 3,454,212,135.87
  5. Step 5: Solve for x
    x = 3,454,212,135.87/91,692.57
  6. Step 6: Final answer
    x = 37,671.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.