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Finding the Fourth Proportional to 225,521.82, 338,349.15 and 67,774.32

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Solution

The fourth proportional to 225,521.82, 338,349.15 and 67,774.32 is: 101,681.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,521.82 : 338,349.15 = 67,774.32 : x
  2. Step 2: Convert to fraction form
    225,521.82/338,349.15 = 67,774.32/x
  3. Step 3: Cross multiply
    225,521.82x = 338,349.15 × 67,774.32
  4. Step 4: Simplify right side
    225,521.82x = 22,931,383,563.83
  5. Step 5: Solve for x
    x = 22,931,383,563.83/225,521.82
  6. Step 6: Final answer
    x = 101,681.44

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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.