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Finding the Fourth Proportional to 228,361.28, 315,244.32 and 132,833.12

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Solution

The fourth proportional to 228,361.28, 315,244.32 and 132,833.12 is: 183,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,361.28 : 315,244.32 = 132,833.12 : x
  2. Step 2: Convert to fraction form
    228,361.28/315,244.32 = 132,833.12/x
  3. Step 3: Cross multiply
    228,361.28x = 315,244.32 × 132,833.12
  4. Step 4: Simplify right side
    228,361.28x = 41,874,886,587.88
  5. Step 5: Solve for x
    x = 41,874,886,587.88/228,361.28
  6. Step 6: Final answer
    x = 183,371.22

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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.