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Finding the Fourth Proportional to 125,563.76, 188,375.88 and 46,680.56

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Solution

The fourth proportional to 125,563.76, 188,375.88 and 46,680.56 is: 70,032.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,563.76 : 188,375.88 = 46,680.56 : x
  2. Step 2: Convert to fraction form
    125,563.76/188,375.88 = 46,680.56/x
  3. Step 3: Cross multiply
    125,563.76x = 188,375.88 × 46,680.56
  4. Step 4: Simplify right side
    125,563.76x = 8,793,491,568.89
  5. Step 5: Solve for x
    x = 8,793,491,568.89/125,563.76
  6. Step 6: Final answer
    x = 70,032.08

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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.