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Finding the Fourth Proportional to 163,662.92, 225,836.47 and 92,041.40

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Solution

The fourth proportional to 163,662.92, 225,836.47 and 92,041.40 is: 127,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,662.92 : 225,836.47 = 92,041.40 : x
  2. Step 2: Convert to fraction form
    163,662.92/225,836.47 = 92,041.40/x
  3. Step 3: Cross multiply
    163,662.92x = 225,836.47 × 92,041.40
  4. Step 4: Simplify right side
    163,662.92x = 20,786,304,869.86
  5. Step 5: Solve for x
    x = 20,786,304,869.86/163,662.92
  6. Step 6: Final answer
    x = 127,006.81

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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.