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Finding the Fourth Proportional to 104,057.40, 156,092.98 and 36,581.28

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Solution

The fourth proportional to 104,057.40, 156,092.98 and 36,581.28 is: 54,874.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,057.40 : 156,092.98 = 36,581.28 : x
  2. Step 2: Convert to fraction form
    104,057.40/156,092.98 = 36,581.28/x
  3. Step 3: Cross multiply
    104,057.40x = 156,092.98 × 36,581.28
  4. Step 4: Simplify right side
    104,057.40x = 5,710,081,007.41
  5. Step 5: Solve for x
    x = 5,710,081,007.41/104,057.40
  6. Step 6: Final answer
    x = 54,874.34

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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.