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Finding the Fourth Proportional to 104,633.80, 156,950.70 and 55,481.80

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Solution

The fourth proportional to 104,633.80, 156,950.70 and 55,481.80 is: 83,222.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,633.80 : 156,950.70 = 55,481.80 : x
  2. Step 2: Convert to fraction form
    104,633.80/156,950.70 = 55,481.80/x
  3. Step 3: Cross multiply
    104,633.80x = 156,950.70 × 55,481.80
  4. Step 4: Simplify right side
    104,633.80x = 8,707,907,347.26
  5. Step 5: Solve for x
    x = 8,707,907,347.26/104,633.80
  6. Step 6: Final answer
    x = 83,222.70

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1.5x scale

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.