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Finding the Fourth Proportional to 167,267.85, 230,830.33 and 90,787.05

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Solution

The fourth proportional to 167,267.85, 230,830.33 and 90,787.05 is: 125,286.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,267.85 : 230,830.33 = 90,787.05 : x
  2. Step 2: Convert to fraction form
    167,267.85/230,830.33 = 90,787.05/x
  3. Step 3: Cross multiply
    167,267.85x = 230,830.33 × 90,787.05
  4. Step 4: Simplify right side
    167,267.85x = 20,956,404,711.23
  5. Step 5: Solve for x
    x = 20,956,404,711.23/167,267.85
  6. Step 6: Final answer
    x = 125,286.51

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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.