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Finding the Fourth Proportional to 69,996,342.60, 104,994,513.90 and 65,517,366.60

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Solution

The fourth proportional to 69,996,342.60, 104,994,513.90 and 65,517,366.60 is: 98,276,049.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,996,342.60 : 104,994,513.90 = 65,517,366.60 : x
  2. Step 2: Convert to fraction form
    69,996,342.60/104,994,513.90 = 65,517,366.60/x
  3. Step 3: Cross multiply
    69,996,342.60x = 104,994,513.90 × 65,517,366.60
  4. Step 4: Simplify right side
    69,996,342.60x = 6,878,964,058,175,096
  5. Step 5: Solve for x
    x = 6,878,964,058,175,096/69,996,342.60
  6. Step 6: Final answer
    x = 98,276,049.90

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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.