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Finding the Fourth Proportional to 99,093,067.20, 148,356,165.60 and 99,093,067.20

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Solution

The fourth proportional to 99,093,067.20, 148,356,165.60 and 99,093,067.20 is: 148,356,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,093,067.20 : 148,356,165.60 = 99,093,067.20 : x
  2. Step 2: Convert to fraction form
    99,093,067.20/148,356,165.60 = 99,093,067.20/x
  3. Step 3: Cross multiply
    99,093,067.20x = 148,356,165.60 × 99,093,067.20
  4. Step 4: Simplify right side
    99,093,067.20x = 14,701,067,487,335,128
  5. Step 5: Solve for x
    x = 14,701,067,487,335,128/99,093,067.20
  6. Step 6: Final answer
    x = 148,356,165.60

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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.