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Finding the Fourth Proportional to 170,440.07, 255,660.03 and 45,781.07

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Solution

The fourth proportional to 170,440.07, 255,660.03 and 45,781.07 is: 68,671.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,440.07 : 255,660.03 = 45,781.07 : x
  2. Step 2: Convert to fraction form
    170,440.07/255,660.03 = 45,781.07/x
  3. Step 3: Cross multiply
    170,440.07x = 255,660.03 × 45,781.07
  4. Step 4: Simplify right side
    170,440.07x = 11,704,388,451.33
  5. Step 5: Solve for x
    x = 11,704,388,451.33/170,440.07
  6. Step 6: Final answer
    x = 68,671.58

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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.