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Finding the Fourth Proportional to 166,706.30, 230,040.14 and 98,711.12

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Solution

The fourth proportional to 166,706.30, 230,040.14 and 98,711.12 is: 136,212.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,706.30 : 230,040.14 = 98,711.12 : x
  2. Step 2: Convert to fraction form
    166,706.30/230,040.14 = 98,711.12/x
  3. Step 3: Cross multiply
    166,706.30x = 230,040.14 × 98,711.12
  4. Step 4: Simplify right side
    166,706.30x = 22,707,519,945.90
  5. Step 5: Solve for x
    x = 22,707,519,945.90/166,706.30
  6. Step 6: Final answer
    x = 136,212.73

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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.