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Finding the Fourth Proportional to 239,357.69, 359,035.45 and 61,849.61

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Solution

The fourth proportional to 239,357.69, 359,035.45 and 61,849.61 is: 92,774.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,357.69 : 359,035.45 = 61,849.61 : x
  2. Step 2: Convert to fraction form
    239,357.69/359,035.45 = 61,849.61/x
  3. Step 3: Cross multiply
    239,357.69x = 359,035.45 × 61,849.61
  4. Step 4: Simplify right side
    239,357.69x = 22,206,200,608.87
  5. Step 5: Solve for x
    x = 22,206,200,608.87/239,357.69
  6. Step 6: Final answer
    x = 92,774.13

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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.