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Finding the Fourth Proportional to 167,151.66, 230,667.90 and 90,670.56

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Solution

The fourth proportional to 167,151.66, 230,667.90 and 90,670.56 is: 125,124.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,151.66 : 230,667.90 = 90,670.56 : x
  2. Step 2: Convert to fraction form
    167,151.66/230,667.90 = 90,670.56/x
  3. Step 3: Cross multiply
    167,151.66x = 230,667.90 × 90,670.56
  4. Step 4: Simplify right side
    167,151.66x = 20,914,787,667.02
  5. Step 5: Solve for x
    x = 20,914,787,667.02/167,151.66
  6. Step 6: Final answer
    x = 125,124.62

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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.