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Finding the Fourth Proportional to 225,831.98, 338,879.19 and 101,172.98

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Solution

The fourth proportional to 225,831.98, 338,879.19 and 101,172.98 is: 151,818.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,831.98 : 338,879.19 = 101,172.98 : x
  2. Step 2: Convert to fraction form
    225,831.98/338,879.19 = 101,172.98/x
  3. Step 3: Cross multiply
    225,831.98x = 338,879.19 × 101,172.98
  4. Step 4: Simplify right side
    225,831.98x = 34,285,417,512.29
  5. Step 5: Solve for x
    x = 34,285,417,512.29/225,831.98
  6. Step 6: Final answer
    x = 151,818.26

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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.