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Finding the Fourth Proportional to 69,661.92, 96,132.54 and 37,831.02

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Solution

The fourth proportional to 69,661.92, 96,132.54 and 37,831.02 is: 52,206.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,661.92 : 96,132.54 = 37,831.02 : x
  2. Step 2: Convert to fraction form
    69,661.92/96,132.54 = 37,831.02/x
  3. Step 3: Cross multiply
    69,661.92x = 96,132.54 × 37,831.02
  4. Step 4: Simplify right side
    69,661.92x = 3,636,792,043.39
  5. Step 5: Solve for x
    x = 3,636,792,043.39/69,661.92
  6. Step 6: Final answer
    x = 52,206.31

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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.