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Finding the Fourth Proportional to 73,690,109.90, 110,322,588.45 and 73,690,109.90

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Solution

The fourth proportional to 73,690,109.90, 110,322,588.45 and 73,690,109.90 is: 110,322,588.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,690,109.90 : 110,322,588.45 = 73,690,109.90 : x
  2. Step 2: Convert to fraction form
    73,690,109.90/110,322,588.45 = 73,690,109.90/x
  3. Step 3: Cross multiply
    73,690,109.90x = 110,322,588.45 × 73,690,109.90
  4. Step 4: Simplify right side
    73,690,109.90x = 8,129,683,667,332,972
  5. Step 5: Solve for x
    x = 8,129,683,667,332,972/73,690,109.90
  6. Step 6: Final answer
    x = 110,322,588.45

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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.