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Finding the Fourth Proportional to 181,179.74, 250,043.81 and 100,622.96

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Solution

The fourth proportional to 181,179.74, 250,043.81 and 100,622.96 is: 138,868.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,179.74 : 250,043.81 = 100,622.96 : x
  2. Step 2: Convert to fraction form
    181,179.74/250,043.81 = 100,622.96/x
  3. Step 3: Cross multiply
    181,179.74x = 250,043.81 × 100,622.96
  4. Step 4: Simplify right side
    181,179.74x = 25,160,148,042.21
  5. Step 5: Solve for x
    x = 25,160,148,042.21/181,179.74
  6. Step 6: Final answer
    x = 138,868.44

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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.