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Finding the Fourth Proportional to 247,596.26, 371,299.61 and 105,352.56

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Solution

The fourth proportional to 247,596.26, 371,299.61 and 105,352.56 is: 157,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,596.26 : 371,299.61 = 105,352.56 : x
  2. Step 2: Convert to fraction form
    247,596.26/371,299.61 = 105,352.56/x
  3. Step 3: Cross multiply
    247,596.26x = 371,299.61 × 105,352.56
  4. Step 4: Simplify right side
    247,596.26x = 39,117,364,703.88
  5. Step 5: Solve for x
    x = 39,117,364,703.88/247,596.26
  6. Step 6: Final answer
    x = 157,988.52

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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.