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Finding the Fourth Proportional to 222,003.96, 306,395.45 and 125,227.68

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Solution

The fourth proportional to 222,003.96, 306,395.45 and 125,227.68 is: 172,831.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,003.96 : 306,395.45 = 125,227.68 : x
  2. Step 2: Convert to fraction form
    222,003.96/306,395.45 = 125,227.68/x
  3. Step 3: Cross multiply
    222,003.96x = 306,395.45 × 125,227.68
  4. Step 4: Simplify right side
    222,003.96x = 38,369,190,739.92
  5. Step 5: Solve for x
    x = 38,369,190,739.92/222,003.96
  6. Step 6: Final answer
    x = 172,831.11

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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.