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Finding the Fourth Proportional to 250,692, 376,057.44 and 84,480

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Solution

The fourth proportional to 250,692, 376,057.44 and 84,480 is: 126,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,692 : 376,057.44 = 84,480 : x
  2. Step 2: Convert to fraction form
    250,692/376,057.44 = 84,480/x
  3. Step 3: Cross multiply
    250,692x = 376,057.44 × 84,480
  4. Step 4: Simplify right side
    250,692x = 31,769,332,531.20
  5. Step 5: Solve for x
    x = 31,769,332,531.20/250,692
  6. Step 6: Final answer
    x = 126,726.55

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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.