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Finding the Fourth Proportional to 163,046.80, 244,267.80 and 92,717.20

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Solution

The fourth proportional to 163,046.80, 244,267.80 and 92,717.20 is: 138,903.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,046.80 : 244,267.80 = 92,717.20 : x
  2. Step 2: Convert to fraction form
    163,046.80/244,267.80 = 92,717.20/x
  3. Step 3: Cross multiply
    163,046.80x = 244,267.80 × 92,717.20
  4. Step 4: Simplify right side
    163,046.80x = 22,647,826,466.16
  5. Step 5: Solve for x
    x = 22,647,826,466.16/163,046.80
  6. Step 6: Final answer
    x = 138,903.84

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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.