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Finding the Fourth Proportional to 163,090.80, 244,333.80 and 92,761.20

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Solution

The fourth proportional to 163,090.80, 244,333.80 and 92,761.20 is: 138,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,090.80 : 244,333.80 = 92,761.20 : x
  2. Step 2: Convert to fraction form
    163,090.80/244,333.80 = 92,761.20/x
  3. Step 3: Cross multiply
    163,090.80x = 244,333.80 × 92,761.20
  4. Step 4: Simplify right side
    163,090.80x = 22,664,696,488.56
  5. Step 5: Solve for x
    x = 22,664,696,488.56/163,090.80
  6. Step 6: Final answer
    x = 138,969.80

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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.