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Finding the Fourth Proportional to 255,706.35, 352,789.11 and 165,123.56

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Solution

The fourth proportional to 255,706.35, 352,789.11 and 165,123.56 is: 227,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,706.35 : 352,789.11 = 165,123.56 : x
  2. Step 2: Convert to fraction form
    255,706.35/352,789.11 = 165,123.56/x
  3. Step 3: Cross multiply
    255,706.35x = 352,789.11 × 165,123.56
  4. Step 4: Simplify right side
    255,706.35x = 58,253,792,008.49
  5. Step 5: Solve for x
    x = 58,253,792,008.49/255,706.35
  6. Step 6: Final answer
    x = 227,815.20

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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.