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Finding the Fourth Proportional to 54,436,110.30, 81,654,165.45 and 54,436,110.30

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Solution

The fourth proportional to 54,436,110.30, 81,654,165.45 and 54,436,110.30 is: 81,654,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,436,110.30 : 81,654,165.45 = 54,436,110.30 : x
  2. Step 2: Convert to fraction form
    54,436,110.30/81,654,165.45 = 54,436,110.30/x
  3. Step 3: Cross multiply
    54,436,110.30x = 81,654,165.45 × 54,436,110.30
  4. Step 4: Simplify right side
    54,436,110.30x = 4,444,935,156,890,649
  5. Step 5: Solve for x
    x = 4,444,935,156,890,649/54,436,110.30
  6. Step 6: Final answer
    x = 81,654,165.45

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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.