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Finding the Fourth Proportional to 166,737.70, 230,098.16 and 90,256.56

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Solution

The fourth proportional to 166,737.70, 230,098.16 and 90,256.56 is: 124,554.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,737.70 : 230,098.16 = 90,256.56 : x
  2. Step 2: Convert to fraction form
    166,737.70/230,098.16 = 90,256.56/x
  3. Step 3: Cross multiply
    166,737.70x = 230,098.16 × 90,256.56
  4. Step 4: Simplify right side
    166,737.70x = 20,767,867,932.65
  5. Step 5: Solve for x
    x = 20,767,867,932.65/166,737.70
  6. Step 6: Final answer
    x = 124,554.12

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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.