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Finding the Fourth Proportional to 89,398,679.60, 134,098,019.40 and 44,049,047.60

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Solution

The fourth proportional to 89,398,679.60, 134,098,019.40 and 44,049,047.60 is: 66,073,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,398,679.60 : 134,098,019.40 = 44,049,047.60 : x
  2. Step 2: Convert to fraction form
    89,398,679.60/134,098,019.40 = 44,049,047.60/x
  3. Step 3: Cross multiply
    89,398,679.60x = 134,098,019.40 × 44,049,047.60
  4. Step 4: Simplify right side
    89,398,679.60x = 5,906,890,039,616,324
  5. Step 5: Solve for x
    x = 5,906,890,039,616,324/89,398,679.60
  6. Step 6: Final answer
    x = 66,073,571.40

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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.