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Finding the Fourth Proportional to 175,062.20, 262,593.30 and 162,620.60

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Solution

The fourth proportional to 175,062.20, 262,593.30 and 162,620.60 is: 243,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,062.20 : 262,593.30 = 162,620.60 : x
  2. Step 2: Convert to fraction form
    175,062.20/262,593.30 = 162,620.60/x
  3. Step 3: Cross multiply
    175,062.20x = 262,593.30 × 162,620.60
  4. Step 4: Simplify right side
    175,062.20x = 42,703,080,001.98
  5. Step 5: Solve for x
    x = 42,703,080,001.98/175,062.20
  6. Step 6: Final answer
    x = 243,930.90

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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.