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Finding the Fourth Proportional to 125,433.60, 188,148.06 and 50,551.74

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Solution

The fourth proportional to 125,433.60, 188,148.06 and 50,551.74 is: 75,826.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,433.60 : 188,148.06 = 50,551.74 : x
  2. Step 2: Convert to fraction form
    125,433.60/188,148.06 = 50,551.74/x
  3. Step 3: Cross multiply
    125,433.60x = 188,148.06 × 50,551.74
  4. Step 4: Simplify right side
    125,433.60x = 9,511,211,810.62
  5. Step 5: Solve for x
    x = 9,511,211,810.62/125,433.60
  6. Step 6: Final answer
    x = 75,826.67

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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.