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Finding the Fourth Proportional to 93,319.53, 139,896.41 and 36,380.31

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Solution

The fourth proportional to 93,319.53, 139,896.41 and 36,380.31 is: 54,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,319.53 : 139,896.41 = 36,380.31 : x
  2. Step 2: Convert to fraction form
    93,319.53/139,896.41 = 36,380.31/x
  3. Step 3: Cross multiply
    93,319.53x = 139,896.41 × 36,380.31
  4. Step 4: Simplify right side
    93,319.53x = 5,089,474,581.79
  5. Step 5: Solve for x
    x = 5,089,474,581.79/93,319.53
  6. Step 6: Final answer
    x = 54,538.15

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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.