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Finding the Fourth Proportional to 227,175.80, 313,503.88 and 131,739.16

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Solution

The fourth proportional to 227,175.80, 313,503.88 and 131,739.16 is: 181,800.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,175.80 : 313,503.88 = 131,739.16 : x
  2. Step 2: Convert to fraction form
    227,175.80/313,503.88 = 131,739.16/x
  3. Step 3: Cross multiply
    227,175.80x = 313,503.88 × 131,739.16
  4. Step 4: Simplify right side
    227,175.80x = 41,300,737,807.94
  5. Step 5: Solve for x
    x = 41,300,737,807.94/227,175.80
  6. Step 6: Final answer
    x = 181,800.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.