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Finding the Fourth Proportional to 225,467.76, 338,257.80 and 67,692.72

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Solution

The fourth proportional to 225,467.76, 338,257.80 and 67,692.72 is: 101,555.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,467.76 : 338,257.80 = 67,692.72 : x
  2. Step 2: Convert to fraction form
    225,467.76/338,257.80 = 67,692.72/x
  3. Step 3: Cross multiply
    225,467.76x = 338,257.80 × 67,692.72
  4. Step 4: Simplify right side
    225,467.76x = 22,897,590,543.22
  5. Step 5: Solve for x
    x = 22,897,590,543.22/225,467.76
  6. Step 6: Final answer
    x = 101,555.94

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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.