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Finding the Fourth Proportional to 163,008.70, 244,513.05 and 110,131.90

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Solution

The fourth proportional to 163,008.70, 244,513.05 and 110,131.90 is: 165,197.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,008.70 : 244,513.05 = 110,131.90 : x
  2. Step 2: Convert to fraction form
    163,008.70/244,513.05 = 110,131.90/x
  3. Step 3: Cross multiply
    163,008.70x = 244,513.05 × 110,131.90
  4. Step 4: Simplify right side
    163,008.70x = 26,928,686,771.30
  5. Step 5: Solve for x
    x = 26,928,686,771.30/163,008.70
  6. Step 6: Final answer
    x = 165,197.85

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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.