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Finding the Fourth Proportional to 68,672,249.80, 103,008,374.70 and 23,234,044.30

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Solution

The fourth proportional to 68,672,249.80, 103,008,374.70 and 23,234,044.30 is: 34,851,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,672,249.80 : 103,008,374.70 = 23,234,044.30 : x
  2. Step 2: Convert to fraction form
    68,672,249.80/103,008,374.70 = 23,234,044.30/x
  3. Step 3: Cross multiply
    68,672,249.80x = 103,008,374.70 × 23,234,044.30
  4. Step 4: Simplify right side
    68,672,249.80x = 2,393,301,141,050,799.50
  5. Step 5: Solve for x
    x = 2,393,301,141,050,799.50/68,672,249.80
  6. Step 6: Final answer
    x = 34,851,066.45

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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.