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Finding the Fourth Proportional to 169,487.10, 254,245.41 and 55,600.75

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Solution

The fourth proportional to 169,487.10, 254,245.41 and 55,600.75 is: 83,405.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,487.10 : 254,245.41 = 55,600.75 : x
  2. Step 2: Convert to fraction form
    169,487.10/254,245.41 = 55,600.75/x
  3. Step 3: Cross multiply
    169,487.10x = 254,245.41 × 55,600.75
  4. Step 4: Simplify right side
    169,487.10x = 14,136,235,480.06
  5. Step 5: Solve for x
    x = 14,136,235,480.06/169,487.10
  6. Step 6: Final answer
    x = 83,405.97

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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.