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Finding the Fourth Proportional to 58,463,945.40, 82,028,682.60 and 58,463,945.40

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Solution

The fourth proportional to 58,463,945.40, 82,028,682.60 and 58,463,945.40 is: 82,028,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,463,945.40 : 82,028,682.60 = 58,463,945.40 : x
  2. Step 2: Convert to fraction form
    58,463,945.40/82,028,682.60 = 58,463,945.40/x
  3. Step 3: Cross multiply
    58,463,945.40x = 82,028,682.60 × 58,463,945.40
  4. Step 4: Simplify right side
    58,463,945.40x = 4,795,720,420,760,330
  5. Step 5: Solve for x
    x = 4,795,720,420,760,330/58,463,945.40
  6. Step 6: Final answer
    x = 82,028,682.60

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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.