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Finding the Fourth Proportional to 166,757.75, 230,125.41 and 90,276.81

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Solution

The fourth proportional to 166,757.75, 230,125.41 and 90,276.81 is: 124,581.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,757.75 : 230,125.41 = 90,276.81 : x
  2. Step 2: Convert to fraction form
    166,757.75/230,125.41 = 90,276.81/x
  3. Step 3: Cross multiply
    166,757.75x = 230,125.41 × 90,276.81
  4. Step 4: Simplify right side
    166,757.75x = 20,774,987,914.74
  5. Step 5: Solve for x
    x = 20,774,987,914.74/166,757.75
  6. Step 6: Final answer
    x = 124,581.84

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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.