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Finding the Fourth Proportional to 255,654.01, 352,731.67 and 165,013.80

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Solution

The fourth proportional to 255,654.01, 352,731.67 and 165,013.80 is: 227,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,654.01 : 352,731.67 = 165,013.80 : x
  2. Step 2: Convert to fraction form
    255,654.01/352,731.67 = 165,013.80/x
  3. Step 3: Cross multiply
    255,654.01x = 352,731.67 × 165,013.80
  4. Step 4: Simplify right side
    255,654.01x = 58,205,593,247.05
  5. Step 5: Solve for x
    x = 58,205,593,247.05/255,654.01
  6. Step 6: Final answer
    x = 227,673.30

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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.