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Finding the Fourth Proportional to 60,659,552.70, 90,989,329.05 and 34,831,520.10

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Solution

The fourth proportional to 60,659,552.70, 90,989,329.05 and 34,831,520.10 is: 52,247,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,659,552.70 : 90,989,329.05 = 34,831,520.10 : x
  2. Step 2: Convert to fraction form
    60,659,552.70/90,989,329.05 = 34,831,520.10/x
  3. Step 3: Cross multiply
    60,659,552.70x = 90,989,329.05 × 34,831,520.10
  4. Step 4: Simplify right side
    60,659,552.70x = 3,169,296,643,690,589
  5. Step 5: Solve for x
    x = 3,169,296,643,690,589/60,659,552.70
  6. Step 6: Final answer
    x = 52,247,280.15

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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.