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Finding the Fourth Proportional to 168,594.70, 252,727.70 and 67,362.58

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Solution

The fourth proportional to 168,594.70, 252,727.70 and 67,362.58 is: 100,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,594.70 : 252,727.70 = 67,362.58 : x
  2. Step 2: Convert to fraction form
    168,594.70/252,727.70 = 67,362.58/x
  3. Step 3: Cross multiply
    168,594.70x = 252,727.70 × 67,362.58
  4. Step 4: Simplify right side
    168,594.70x = 17,024,389,909.47
  5. Step 5: Solve for x
    x = 17,024,389,909.47/168,594.70
  6. Step 6: Final answer
    x = 100,978.20

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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.