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Finding the Fourth Proportional to 93,651.16, 140,476.87 and 38,247.16

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Solution

The fourth proportional to 93,651.16, 140,476.87 and 38,247.16 is: 57,370.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,651.16 : 140,476.87 = 38,247.16 : x
  2. Step 2: Convert to fraction form
    93,651.16/140,476.87 = 38,247.16/x
  3. Step 3: Cross multiply
    93,651.16x = 140,476.87 × 38,247.16
  4. Step 4: Simplify right side
    93,651.16x = 5,372,840,972.00
  5. Step 5: Solve for x
    x = 5,372,840,972.00/93,651.16
  6. Step 6: Final answer
    x = 57,370.79

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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.