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Finding the Fourth Proportional to 247,802.69, 371,672.21 and 79,308.92

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Solution

The fourth proportional to 247,802.69, 371,672.21 and 79,308.92 is: 118,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,802.69 : 371,672.21 = 79,308.92 : x
  2. Step 2: Convert to fraction form
    247,802.69/371,672.21 = 79,308.92/x
  3. Step 3: Cross multiply
    247,802.69x = 371,672.21 × 79,308.92
  4. Step 4: Simplify right side
    247,802.69x = 29,476,922,696.57
  5. Step 5: Solve for x
    x = 29,476,922,696.57/247,802.69
  6. Step 6: Final answer
    x = 118,953.20

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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.