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Finding the Fourth Proportional to 154,367.55, 231,551.33 and 54,526.95

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Solution

The fourth proportional to 154,367.55, 231,551.33 and 54,526.95 is: 81,790.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,367.55 : 231,551.33 = 54,526.95 : x
  2. Step 2: Convert to fraction form
    154,367.55/231,551.33 = 54,526.95/x
  3. Step 3: Cross multiply
    154,367.55x = 231,551.33 × 54,526.95
  4. Step 4: Simplify right side
    154,367.55x = 12,625,787,520.71
  5. Step 5: Solve for x
    x = 12,625,787,520.71/154,367.55
  6. Step 6: Final answer
    x = 81,790.43

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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.