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Finding the Fourth Proportional to 235,537.88, 353,317.75 and 75,620.33

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Solution

The fourth proportional to 235,537.88, 353,317.75 and 75,620.33 is: 113,434.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,537.88 : 353,317.75 = 75,620.33 : x
  2. Step 2: Convert to fraction form
    235,537.88/353,317.75 = 75,620.33/x
  3. Step 3: Cross multiply
    235,537.88x = 353,317.75 × 75,620.33
  4. Step 4: Simplify right side
    235,537.88x = 26,718,004,849.86
  5. Step 5: Solve for x
    x = 26,718,004,849.86/235,537.88
  6. Step 6: Final answer
    x = 113,434.00

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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.