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Finding the Fourth Proportional to 131,594.88, 197,473.32 and 61,481.28

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Solution

The fourth proportional to 131,594.88, 197,473.32 and 61,481.28 is: 92,259.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,594.88 : 197,473.32 = 61,481.28 : x
  2. Step 2: Convert to fraction form
    131,594.88/197,473.32 = 61,481.28/x
  3. Step 3: Cross multiply
    131,594.88x = 197,473.32 × 61,481.28
  4. Step 4: Simplify right side
    131,594.88x = 12,140,912,479.45
  5. Step 5: Solve for x
    x = 12,140,912,479.45/131,594.88
  6. Step 6: Final answer
    x = 92,259.76

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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.