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Finding the Fourth Proportional to 101,191.82, 151,784.65 and 26,310.31

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Solution

The fourth proportional to 101,191.82, 151,784.65 and 26,310.31 is: 39,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,191.82 : 151,784.65 = 26,310.31 : x
  2. Step 2: Convert to fraction form
    101,191.82/151,784.65 = 26,310.31/x
  3. Step 3: Cross multiply
    101,191.82x = 151,784.65 × 26,310.31
  4. Step 4: Simplify right side
    101,191.82x = 3,993,501,194.74
  5. Step 5: Solve for x
    x = 3,993,501,194.74/101,191.82
  6. Step 6: Final answer
    x = 39,464.66

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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.