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Finding the Fourth Proportional to 165,230.44, 247,830.46 and 54,422.44

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Solution

The fourth proportional to 165,230.44, 247,830.46 and 54,422.44 is: 81,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,230.44 : 247,830.46 = 54,422.44 : x
  2. Step 2: Convert to fraction form
    165,230.44/247,830.46 = 54,422.44/x
  3. Step 3: Cross multiply
    165,230.44x = 247,830.46 × 54,422.44
  4. Step 4: Simplify right side
    165,230.44x = 13,487,538,339.52
  5. Step 5: Solve for x
    x = 13,487,538,339.52/165,230.44
  6. Step 6: Final answer
    x = 81,628.65

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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.