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Finding the Fourth Proportional to 104,525.80, 156,788.70 and 49,229.80

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Solution

The fourth proportional to 104,525.80, 156,788.70 and 49,229.80 is: 73,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,525.80 : 156,788.70 = 49,229.80 : x
  2. Step 2: Convert to fraction form
    104,525.80/156,788.70 = 49,229.80/x
  3. Step 3: Cross multiply
    104,525.80x = 156,788.70 × 49,229.80
  4. Step 4: Simplify right side
    104,525.80x = 7,718,676,343.26
  5. Step 5: Solve for x
    x = 7,718,676,343.26/104,525.80
  6. Step 6: Final answer
    x = 73,844.70

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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.