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Finding the Fourth Proportional to 52,972,648.30, 73,991,646.50 and 52,972,648.30

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Solution

The fourth proportional to 52,972,648.30, 73,991,646.50 and 52,972,648.30 is: 73,991,646.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,972,648.30 : 73,991,646.50 = 52,972,648.30 : x
  2. Step 2: Convert to fraction form
    52,972,648.30/73,991,646.50 = 52,972,648.30/x
  3. Step 3: Cross multiply
    52,972,648.30x = 73,991,646.50 × 52,972,648.30
  4. Step 4: Simplify right side
    52,972,648.30x = 3,919,533,467,182,425.50
  5. Step 5: Solve for x
    x = 3,919,533,467,182,425.50/52,972,648.30
  6. Step 6: Final answer
    x = 73,991,646.50

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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.