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Finding the Fourth Proportional to 73,756,616.80, 103,057,709.60 and 73,756,616.80

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Solution

The fourth proportional to 73,756,616.80, 103,057,709.60 and 73,756,616.80 is: 103,057,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,756,616.80 : 103,057,709.60 = 73,756,616.80 : x
  2. Step 2: Convert to fraction form
    73,756,616.80/103,057,709.60 = 73,756,616.80/x
  3. Step 3: Cross multiply
    73,756,616.80x = 103,057,709.60 × 73,756,616.80
  4. Step 4: Simplify right side
    73,756,616.80x = 7,601,187,995,252,881
  5. Step 5: Solve for x
    x = 7,601,187,995,252,881/73,756,616.80
  6. Step 6: Final answer
    x = 103,057,709.60

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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.