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Finding the Fourth Proportional to 225,545.44, 338,494.20 and 99,273.28

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Solution

The fourth proportional to 225,545.44, 338,494.20 and 99,273.28 is: 148,987.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,545.44 : 338,494.20 = 99,273.28 : x
  2. Step 2: Convert to fraction form
    225,545.44/338,494.20 = 99,273.28/x
  3. Step 3: Cross multiply
    225,545.44x = 338,494.20 × 99,273.28
  4. Step 4: Simplify right side
    225,545.44x = 33,603,429,494.98
  5. Step 5: Solve for x
    x = 33,603,429,494.98/225,545.44
  6. Step 6: Final answer
    x = 148,987.40

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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.