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Finding the Fourth Proportional to 104,553.66, 156,751.13 and 53,898.10

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Solution

The fourth proportional to 104,553.66, 156,751.13 and 53,898.10 is: 80,806.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,553.66 : 156,751.13 = 53,898.10 : x
  2. Step 2: Convert to fraction form
    104,553.66/156,751.13 = 53,898.10/x
  3. Step 3: Cross multiply
    104,553.66x = 156,751.13 × 53,898.10
  4. Step 4: Simplify right side
    104,553.66x = 8,448,588,079.85
  5. Step 5: Solve for x
    x = 8,448,588,079.85/104,553.66
  6. Step 6: Final answer
    x = 80,806.24

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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.