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Finding the Fourth Proportional to 93,648.50, 140,472.89 and 38,244.50

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Solution

The fourth proportional to 93,648.50, 140,472.89 and 38,244.50 is: 57,366.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,648.50 : 140,472.89 = 38,244.50 : x
  2. Step 2: Convert to fraction form
    93,648.50/140,472.89 = 38,244.50/x
  3. Step 3: Cross multiply
    93,648.50x = 140,472.89 × 38,244.50
  4. Step 4: Simplify right side
    93,648.50x = 5,372,315,441.61
  5. Step 5: Solve for x
    x = 5,372,315,441.61/93,648.50
  6. Step 6: Final answer
    x = 57,366.81

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