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Finding the Fourth Proportional to 54,404.55, 81,606.83 and 47,114.55

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Solution

The fourth proportional to 54,404.55, 81,606.83 and 47,114.55 is: 70,671.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,404.55 : 81,606.83 = 47,114.55 : x
  2. Step 2: Convert to fraction form
    54,404.55/81,606.83 = 47,114.55/x
  3. Step 3: Cross multiply
    54,404.55x = 81,606.83 × 47,114.55
  4. Step 4: Simplify right side
    54,404.55x = 3,844,868,836.80
  5. Step 5: Solve for x
    x = 3,844,868,836.80/54,404.55
  6. Step 6: Final answer
    x = 70,671.83

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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.