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Finding the Fourth Proportional to 55,324,871.30, 77,568,193.90 and 55,324,871.30

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Solution

The fourth proportional to 55,324,871.30, 77,568,193.90 and 55,324,871.30 is: 77,568,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,324,871.30 : 77,568,193.90 = 55,324,871.30 : x
  2. Step 2: Convert to fraction form
    55,324,871.30/77,568,193.90 = 55,324,871.30/x
  3. Step 3: Cross multiply
    55,324,871.30x = 77,568,193.90 × 55,324,871.30
  4. Step 4: Simplify right side
    55,324,871.30x = 4,291,450,344,490,945
  5. Step 5: Solve for x
    x = 4,291,450,344,490,945/55,324,871.30
  6. Step 6: Final answer
    x = 77,568,193.90

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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.