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Finding the Fourth Proportional to 125,818.88, 188,728.31 and 32,324.63

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Solution

The fourth proportional to 125,818.88, 188,728.31 and 32,324.63 is: 48,486.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,818.88 : 188,728.31 = 32,324.63 : x
  2. Step 2: Convert to fraction form
    125,818.88/188,728.31 = 32,324.63/x
  3. Step 3: Cross multiply
    125,818.88x = 188,728.31 × 32,324.63
  4. Step 4: Simplify right side
    125,818.88x = 6,100,571,928.45
  5. Step 5: Solve for x
    x = 6,100,571,928.45/125,818.88
  6. Step 6: Final answer
    x = 48,486.94

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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.