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Finding the Fourth Proportional to 110,745.70, 152,843.67 and 62,989.83

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Solution

The fourth proportional to 110,745.70, 152,843.67 and 62,989.83 is: 86,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,745.70 : 152,843.67 = 62,989.83 : x
  2. Step 2: Convert to fraction form
    110,745.70/152,843.67 = 62,989.83/x
  3. Step 3: Cross multiply
    110,745.70x = 152,843.67 × 62,989.83
  4. Step 4: Simplify right side
    110,745.70x = 9,627,596,789.88
  5. Step 5: Solve for x
    x = 9,627,596,789.88/110,745.70
  6. Step 6: Final answer
    x = 86,934.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.