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Finding the Fourth Proportional to 92,699,578.72, 127,867,229.84 and 54,996,049.20

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Solution

The fourth proportional to 92,699,578.72, 127,867,229.84 and 54,996,049.20 is: 75,860,026.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,699,578.72 : 127,867,229.84 = 54,996,049.20 : x
  2. Step 2: Convert to fraction form
    92,699,578.72/127,867,229.84 = 54,996,049.20/x
  3. Step 3: Cross multiply
    92,699,578.72x = 127,867,229.84 × 54,996,049.20
  4. Step 4: Simplify right side
    92,699,578.72x = 7,032,192,463,348,349
  5. Step 5: Solve for x
    x = 7,032,192,463,348,349/92,699,578.72
  6. Step 6: Final answer
    x = 75,860,026.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.