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Finding the Fourth Proportional to 255,086.01, 382,532.22 and 75,121.97

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Solution

The fourth proportional to 255,086.01, 382,532.22 and 75,121.97 is: 112,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,086.01 : 382,532.22 = 75,121.97 : x
  2. Step 2: Convert to fraction form
    255,086.01/382,532.22 = 75,121.97/x
  3. Step 3: Cross multiply
    255,086.01x = 382,532.22 × 75,121.97
  4. Step 4: Simplify right side
    255,086.01x = 28,736,572,042.21
  5. Step 5: Solve for x
    x = 28,736,572,042.21/255,086.01
  6. Step 6: Final answer
    x = 112,654.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.