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Finding the Fourth Proportional to 91,736.62, 137,625.64 and 32,572.30

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Solution

The fourth proportional to 91,736.62, 137,625.64 and 32,572.30 is: 48,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,736.62 : 137,625.64 = 32,572.30 : x
  2. Step 2: Convert to fraction form
    91,736.62/137,625.64 = 32,572.30/x
  3. Step 3: Cross multiply
    91,736.62x = 137,625.64 × 32,572.30
  4. Step 4: Simplify right side
    91,736.62x = 4,482,783,633.77
  5. Step 5: Solve for x
    x = 4,482,783,633.77/91,736.62
  6. Step 6: Final answer
    x = 48,865.80

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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.