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Finding the Fourth Proportional to 125,706.96, 188,559.95 and 50,826.21

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Solution

The fourth proportional to 125,706.96, 188,559.95 and 50,826.21 is: 76,239.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,706.96 : 188,559.95 = 50,826.21 : x
  2. Step 2: Convert to fraction form
    125,706.96/188,559.95 = 50,826.21/x
  3. Step 3: Cross multiply
    125,706.96x = 188,559.95 × 50,826.21
  4. Step 4: Simplify right side
    125,706.96x = 9,583,787,616.29
  5. Step 5: Solve for x
    x = 9,583,787,616.29/125,706.96
  6. Step 6: Final answer
    x = 76,239.12

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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.