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Finding the Fourth Proportional to 168,350.60, 252,065.10 and 131,486.60

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Solution

The fourth proportional to 168,350.60, 252,065.10 and 131,486.60 is: 196,870.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,350.60 : 252,065.10 = 131,486.60 : x
  2. Step 2: Convert to fraction form
    168,350.60/252,065.10 = 131,486.60/x
  3. Step 3: Cross multiply
    168,350.60x = 252,065.10 × 131,486.60
  4. Step 4: Simplify right side
    168,350.60x = 33,143,182,977.66
  5. Step 5: Solve for x
    x = 33,143,182,977.66/168,350.60
  6. Step 6: Final answer
    x = 196,870.00

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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.