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Finding the Fourth Proportional to 162,796.80, 244,195.20 and 103,674.90

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Solution

The fourth proportional to 162,796.80, 244,195.20 and 103,674.90 is: 155,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,796.80 : 244,195.20 = 103,674.90 : x
  2. Step 2: Convert to fraction form
    162,796.80/244,195.20 = 103,674.90/x
  3. Step 3: Cross multiply
    162,796.80x = 244,195.20 × 103,674.90
  4. Step 4: Simplify right side
    162,796.80x = 25,316,912,940.48
  5. Step 5: Solve for x
    x = 25,316,912,940.48/162,796.80
  6. Step 6: Final answer
    x = 155,512.35

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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.