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Finding the Fourth Proportional to 52,816,820.80, 73,993,937.60 and 52,816,820.80

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Solution

The fourth proportional to 52,816,820.80, 73,993,937.60 and 52,816,820.80 is: 73,993,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,816,820.80 : 73,993,937.60 = 52,816,820.80 : x
  2. Step 2: Convert to fraction form
    52,816,820.80/73,993,937.60 = 52,816,820.80/x
  3. Step 3: Cross multiply
    52,816,820.80x = 73,993,937.60 × 52,816,820.80
  4. Step 4: Simplify right side
    52,816,820.80x = 3,908,124,542,505,581.50
  5. Step 5: Solve for x
    x = 3,908,124,542,505,581.50/52,816,820.80
  6. Step 6: Final answer
    x = 73,993,937.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.