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Finding the Fourth Proportional to 104,574.87, 156,792.96 and 38,007.09

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Solution

The fourth proportional to 104,574.87, 156,792.96 and 38,007.09 is: 56,985.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,574.87 : 156,792.96 = 38,007.09 : x
  2. Step 2: Convert to fraction form
    104,574.87/156,792.96 = 38,007.09/x
  3. Step 3: Cross multiply
    104,574.87x = 156,792.96 × 38,007.09
  4. Step 4: Simplify right side
    104,574.87x = 5,959,244,142.09
  5. Step 5: Solve for x
    x = 5,959,244,142.09/104,574.87
  6. Step 6: Final answer
    x = 56,985.43

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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.