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Finding the Fourth Proportional to 169,701.28, 254,583.15 and 55,855.48

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Solution

The fourth proportional to 169,701.28, 254,583.15 and 55,855.48 is: 83,793.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,701.28 : 254,583.15 = 55,855.48 : x
  2. Step 2: Convert to fraction form
    169,701.28/254,583.15 = 55,855.48/x
  3. Step 3: Cross multiply
    169,701.28x = 254,583.15 × 55,855.48
  4. Step 4: Simplify right side
    169,701.28x = 14,219,862,770.25
  5. Step 5: Solve for x
    x = 14,219,862,770.25/169,701.28
  6. Step 6: Final answer
    x = 83,793.49

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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.