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Finding the Fourth Proportional to 247,466.90, 371,200.20 and 89,695.10

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Solution

The fourth proportional to 247,466.90, 371,200.20 and 89,695.10 is: 134,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,466.90 : 371,200.20 = 89,695.10 : x
  2. Step 2: Convert to fraction form
    247,466.90/371,200.20 = 89,695.10/x
  3. Step 3: Cross multiply
    247,466.90x = 371,200.20 × 89,695.10
  4. Step 4: Simplify right side
    247,466.90x = 33,294,839,059.02
  5. Step 5: Solve for x
    x = 33,294,839,059.02/247,466.90
  6. Step 6: Final answer
    x = 134,542.60

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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.