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Finding the Fourth Proportional to 166,953.52, 230,396.57 and 90,472.78

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Solution

The fourth proportional to 166,953.52, 230,396.57 and 90,472.78 is: 124,852.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,953.52 : 230,396.57 = 90,472.78 : x
  2. Step 2: Convert to fraction form
    166,953.52/230,396.57 = 90,472.78/x
  3. Step 3: Cross multiply
    166,953.52x = 230,396.57 × 90,472.78
  4. Step 4: Simplify right side
    166,953.52x = 20,844,618,190.36
  5. Step 5: Solve for x
    x = 20,844,618,190.36/166,953.52
  6. Step 6: Final answer
    x = 124,852.82

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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.