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Finding the Fourth Proportional to 101,282.65, 151,831.10 and 38,906.17

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Solution

The fourth proportional to 101,282.65, 151,831.10 and 38,906.17 is: 58,323.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,282.65 : 151,831.10 = 38,906.17 : x
  2. Step 2: Convert to fraction form
    101,282.65/151,831.10 = 38,906.17/x
  3. Step 3: Cross multiply
    101,282.65x = 151,831.10 × 38,906.17
  4. Step 4: Simplify right side
    101,282.65x = 5,907,166,393.36
  5. Step 5: Solve for x
    x = 5,907,166,393.36/101,282.65
  6. Step 6: Final answer
    x = 58,323.58

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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.