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Finding the Fourth Proportional to 162,904.20, 244,348.20 and 84,026.40

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Solution

The fourth proportional to 162,904.20, 244,348.20 and 84,026.40 is: 126,035.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,904.20 : 244,348.20 = 84,026.40 : x
  2. Step 2: Convert to fraction form
    162,904.20/244,348.20 = 84,026.40/x
  3. Step 3: Cross multiply
    162,904.20x = 244,348.20 × 84,026.40
  4. Step 4: Simplify right side
    162,904.20x = 20,531,699,592.48
  5. Step 5: Solve for x
    x = 20,531,699,592.48/162,904.20
  6. Step 6: Final answer
    x = 126,035.42

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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.