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Finding the Fourth Proportional to 171,220.26, 256,831.20 and 60,412.26

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Solution

The fourth proportional to 171,220.26, 256,831.20 and 60,412.26 is: 90,618.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,220.26 : 256,831.20 = 60,412.26 : x
  2. Step 2: Convert to fraction form
    171,220.26/256,831.20 = 60,412.26/x
  3. Step 3: Cross multiply
    171,220.26x = 256,831.20 × 60,412.26
  4. Step 4: Simplify right side
    171,220.26x = 15,515,753,230.51
  5. Step 5: Solve for x
    x = 15,515,753,230.51/171,220.26
  6. Step 6: Final answer
    x = 90,618.68

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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.