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Finding the Fourth Proportional to 104,572.32, 156,816.96 and 37,976.12

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Solution

The fourth proportional to 104,572.32, 156,816.96 and 37,976.12 is: 56,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,572.32 : 156,816.96 = 37,976.12 : x
  2. Step 2: Convert to fraction form
    104,572.32/156,816.96 = 37,976.12/x
  3. Step 3: Cross multiply
    104,572.32x = 156,816.96 × 37,976.12
  4. Step 4: Simplify right side
    104,572.32x = 5,955,299,691.00
  5. Step 5: Solve for x
    x = 5,955,299,691.00/104,572.32
  6. Step 6: Final answer
    x = 56,949.10

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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.