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Finding the Fourth Proportional to 168,715, 232,831.79 and 92,232.37

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Solution

The fourth proportional to 168,715, 232,831.79 and 92,232.37 is: 127,283.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,715 : 232,831.79 = 92,232.37 : x
  2. Step 2: Convert to fraction form
    168,715/232,831.79 = 92,232.37/x
  3. Step 3: Cross multiply
    168,715x = 232,831.79 × 92,232.37
  4. Step 4: Simplify right side
    168,715x = 21,474,627,803.04
  5. Step 5: Solve for x
    x = 21,474,627,803.04/168,715
  6. Step 6: Final answer
    x = 127,283.45

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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.