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Finding the Fourth Proportional to 154,395.58, 231,551.71 and 54,542.63

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Solution

The fourth proportional to 154,395.58, 231,551.71 and 54,542.63 is: 81,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,395.58 : 231,551.71 = 54,542.63 : x
  2. Step 2: Convert to fraction form
    154,395.58/231,551.71 = 54,542.63/x
  3. Step 3: Cross multiply
    154,395.58x = 231,551.71 × 54,542.63
  4. Step 4: Simplify right side
    154,395.58x = 12,629,437,813.93
  5. Step 5: Solve for x
    x = 12,629,437,813.93/154,395.58
  6. Step 6: Final answer
    x = 81,799.22

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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.