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Finding the Fourth Proportional to 228,322.80, 315,086.56 and 132,832.91

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Solution

The fourth proportional to 228,322.80, 315,086.56 and 132,832.91 is: 183,310.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,322.80 : 315,086.56 = 132,832.91 : x
  2. Step 2: Convert to fraction form
    228,322.80/315,086.56 = 132,832.91/x
  3. Step 3: Cross multiply
    228,322.80x = 315,086.56 × 132,832.91
  4. Step 4: Simplify right side
    228,322.80x = 41,853,865,122.32
  5. Step 5: Solve for x
    x = 41,853,865,122.32/228,322.80
  6. Step 6: Final answer
    x = 183,310.06

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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.