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Finding the Fourth Proportional to 91,616.96, 137,487 and 32,452.40

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Solution

The fourth proportional to 91,616.96, 137,487 and 32,452.40 is: 48,700.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,616.96 : 137,487 = 32,452.40 : x
  2. Step 2: Convert to fraction form
    91,616.96/137,487 = 32,452.40/x
  3. Step 3: Cross multiply
    91,616.96x = 137,487 × 32,452.40
  4. Step 4: Simplify right side
    91,616.96x = 4,461,783,118.80
  5. Step 5: Solve for x
    x = 4,461,783,118.80/91,616.96
  6. Step 6: Final answer
    x = 48,700.41

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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.