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Finding the Fourth Proportional to 91,683.92, 137,542.08 and 32,553.92

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Solution

The fourth proportional to 91,683.92, 137,542.08 and 32,553.92 is: 48,836.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,683.92 : 137,542.08 = 32,553.92 : x
  2. Step 2: Convert to fraction form
    91,683.92/137,542.08 = 32,553.92/x
  3. Step 3: Cross multiply
    91,683.92x = 137,542.08 × 32,553.92
  4. Step 4: Simplify right side
    91,683.92x = 4,477,533,868.95
  5. Step 5: Solve for x
    x = 4,477,533,868.95/91,683.92
  6. Step 6: Final answer
    x = 48,836.63

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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.