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Finding the Fourth Proportional to 88,800, 133,241.34 and 38,873.52

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Solution

The fourth proportional to 88,800, 133,241.34 and 38,873.52 is: 58,328.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,800 : 133,241.34 = 38,873.52 : x
  2. Step 2: Convert to fraction form
    88,800/133,241.34 = 38,873.52/x
  3. Step 3: Cross multiply
    88,800x = 133,241.34 × 38,873.52
  4. Step 4: Simplify right side
    88,800x = 5,179,559,895.32
  5. Step 5: Solve for x
    x = 5,179,559,895.32/88,800
  6. Step 6: Final answer
    x = 58,328.38

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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.