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Finding the Fourth Proportional to 268,080.37, 402,101.39 and 155,690.44

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Solution

The fourth proportional to 268,080.37, 402,101.39 and 155,690.44 is: 233,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,080.37 : 402,101.39 = 155,690.44 : x
  2. Step 2: Convert to fraction form
    268,080.37/402,101.39 = 155,690.44/x
  3. Step 3: Cross multiply
    268,080.37x = 402,101.39 × 155,690.44
  4. Step 4: Simplify right side
    268,080.37x = 62,603,341,555.26
  5. Step 5: Solve for x
    x = 62,603,341,555.26/268,080.37
  6. Step 6: Final answer
    x = 233,524.53

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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.