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Finding the Fourth Proportional to 168,036.50, 252,054.76 and 43,377.50

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Solution

The fourth proportional to 168,036.50, 252,054.76 and 43,377.50 is: 65,066.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,036.50 : 252,054.76 = 43,377.50 : x
  2. Step 2: Convert to fraction form
    168,036.50/252,054.76 = 43,377.50/x
  3. Step 3: Cross multiply
    168,036.50x = 252,054.76 × 43,377.50
  4. Step 4: Simplify right side
    168,036.50x = 10,933,505,351.90
  5. Step 5: Solve for x
    x = 10,933,505,351.90/168,036.50
  6. Step 6: Final answer
    x = 65,066.25

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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.