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Finding the Fourth Proportional to 235,620.72, 353,463.93 and 75,701.51

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Solution

The fourth proportional to 235,620.72, 353,463.93 and 75,701.51 is: 113,562.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,620.72 : 353,463.93 = 75,701.51 : x
  2. Step 2: Convert to fraction form
    235,620.72/353,463.93 = 75,701.51/x
  3. Step 3: Cross multiply
    235,620.72x = 353,463.93 × 75,701.51
  4. Step 4: Simplify right side
    235,620.72x = 26,757,751,464.21
  5. Step 5: Solve for x
    x = 26,757,751,464.21/235,620.72
  6. Step 6: Final answer
    x = 113,562.81

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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.