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Finding the Fourth Proportional to 247,220.82, 370,611.30 and 89,414.19

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Solution

The fourth proportional to 247,220.82, 370,611.30 and 89,414.19 is: 134,041.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,220.82 : 370,611.30 = 89,414.19 : x
  2. Step 2: Convert to fraction form
    247,220.82/370,611.30 = 89,414.19/x
  3. Step 3: Cross multiply
    247,220.82x = 370,611.30 × 89,414.19
  4. Step 4: Simplify right side
    247,220.82x = 33,137,909,194.35
  5. Step 5: Solve for x
    x = 33,137,909,194.35/247,220.82
  6. Step 6: Final answer
    x = 134,041.74

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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.