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Finding the Fourth Proportional to 52,972,647.30, 73,991,645.10 and 52,972,647.30

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Solution

The fourth proportional to 52,972,647.30, 73,991,645.10 and 52,972,647.30 is: 73,991,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,972,647.30 : 73,991,645.10 = 52,972,647.30 : x
  2. Step 2: Convert to fraction form
    52,972,647.30/73,991,645.10 = 52,972,647.30/x
  3. Step 3: Cross multiply
    52,972,647.30x = 73,991,645.10 × 52,972,647.30
  4. Step 4: Simplify right side
    52,972,647.30x = 3,919,533,319,029,072.50
  5. Step 5: Solve for x
    x = 3,919,533,319,029,072.50/52,972,647.30
  6. Step 6: Final answer
    x = 73,991,645.10

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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.