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Finding the Fourth Proportional to 247,860.68, 371,790.22 and 70,367.80

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Solution

The fourth proportional to 247,860.68, 371,790.22 and 70,367.80 is: 105,551.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,860.68 : 371,790.22 = 70,367.80 : x
  2. Step 2: Convert to fraction form
    247,860.68/371,790.22 = 70,367.80/x
  3. Step 3: Cross multiply
    247,860.68x = 371,790.22 × 70,367.80
  4. Step 4: Simplify right side
    247,860.68x = 26,162,059,842.92
  5. Step 5: Solve for x
    x = 26,162,059,842.92/247,860.68
  6. Step 6: Final answer
    x = 105,551.47

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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.