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Finding the Fourth Proportional to 54,965,409.80, 82,448,114.70 and 53,705,697.80

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Solution

The fourth proportional to 54,965,409.80, 82,448,114.70 and 53,705,697.80 is: 80,558,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,965,409.80 : 82,448,114.70 = 53,705,697.80 : x
  2. Step 2: Convert to fraction form
    54,965,409.80/82,448,114.70 = 53,705,697.80/x
  3. Step 3: Cross multiply
    54,965,409.80x = 82,448,114.70 × 53,705,697.80
  4. Step 4: Simplify right side
    54,965,409.80x = 4,427,933,532,257,937.50
  5. Step 5: Solve for x
    x = 4,427,933,532,257,937.50/54,965,409.80
  6. Step 6: Final answer
    x = 80,558,546.70

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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.