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Finding the Fourth Proportional to 150,855.78, 226,378.95 and 84,339.54

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Solution

The fourth proportional to 150,855.78, 226,378.95 and 84,339.54 is: 126,562.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,855.78 : 226,378.95 = 84,339.54 : x
  2. Step 2: Convert to fraction form
    150,855.78/226,378.95 = 84,339.54/x
  3. Step 3: Cross multiply
    150,855.78x = 226,378.95 × 84,339.54
  4. Step 4: Simplify right side
    150,855.78x = 19,092,696,508.68
  5. Step 5: Solve for x
    x = 19,092,696,508.68/150,855.78
  6. Step 6: Final answer
    x = 126,562.58

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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.