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Finding the Fourth Proportional to 168,497.20, 252,745.80 and 162,592.30

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Solution

The fourth proportional to 168,497.20, 252,745.80 and 162,592.30 is: 243,888.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,497.20 : 252,745.80 = 162,592.30 : x
  2. Step 2: Convert to fraction form
    168,497.20/252,745.80 = 162,592.30/x
  3. Step 3: Cross multiply
    168,497.20x = 252,745.80 × 162,592.30
  4. Step 4: Simplify right side
    168,497.20x = 41,094,520,937.34
  5. Step 5: Solve for x
    x = 41,094,520,937.34/168,497.20
  6. Step 6: Final answer
    x = 243,888.45

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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.