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Finding the Fourth Proportional to 93,649.50, 140,474.39 and 38,245.50

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Solution

The fourth proportional to 93,649.50, 140,474.39 and 38,245.50 is: 57,368.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,649.50 : 140,474.39 = 38,245.50 : x
  2. Step 2: Convert to fraction form
    93,649.50/140,474.39 = 38,245.50/x
  3. Step 3: Cross multiply
    93,649.50x = 140,474.39 × 38,245.50
  4. Step 4: Simplify right side
    93,649.50x = 5,372,513,091.52
  5. Step 5: Solve for x
    x = 5,372,513,091.52/93,649.50
  6. Step 6: Final answer
    x = 57,368.31

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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.