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Finding the Fourth Proportional to 235,709.38, 353,620.23 and 69,497.38

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Solution

The fourth proportional to 235,709.38, 353,620.23 and 69,497.38 is: 104,262.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,709.38 : 353,620.23 = 69,497.38 : x
  2. Step 2: Convert to fraction form
    235,709.38/353,620.23 = 69,497.38/x
  3. Step 3: Cross multiply
    235,709.38x = 353,620.23 × 69,497.38
  4. Step 4: Simplify right side
    235,709.38x = 24,575,679,500.00
  5. Step 5: Solve for x
    x = 24,575,679,500.00/235,709.38
  6. Step 6: Final answer
    x = 104,262.63

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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.