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Finding the Fourth Proportional to 166,685.76, 230,020.60 and 95,088.96

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Solution

The fourth proportional to 166,685.76, 230,020.60 and 95,088.96 is: 131,219.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,685.76 : 230,020.60 = 95,088.96 : x
  2. Step 2: Convert to fraction form
    166,685.76/230,020.60 = 95,088.96/x
  3. Step 3: Cross multiply
    166,685.76x = 230,020.60 × 95,088.96
  4. Step 4: Simplify right side
    166,685.76x = 21,872,419,632.58
  5. Step 5: Solve for x
    x = 21,872,419,632.58/166,685.76
  6. Step 6: Final answer
    x = 131,219.49

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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.