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Finding the Fourth Proportional to 250,331.58, 375,520.46 and 81,852.77

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Solution

The fourth proportional to 250,331.58, 375,520.46 and 81,852.77 is: 122,786.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,331.58 : 375,520.46 = 81,852.77 : x
  2. Step 2: Convert to fraction form
    250,331.58/375,520.46 = 81,852.77/x
  3. Step 3: Cross multiply
    250,331.58x = 375,520.46 × 81,852.77
  4. Step 4: Simplify right side
    250,331.58x = 30,737,390,372.21
  5. Step 5: Solve for x
    x = 30,737,390,372.21/250,331.58
  6. Step 6: Final answer
    x = 122,786.71

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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.