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Finding the Fourth Proportional to 131,468.80, 197,047.47 and 60,331.47

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Solution

The fourth proportional to 131,468.80, 197,047.47 and 60,331.47 is: 90,425.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,468.80 : 197,047.47 = 60,331.47 : x
  2. Step 2: Convert to fraction form
    131,468.80/197,047.47 = 60,331.47/x
  3. Step 3: Cross multiply
    131,468.80x = 197,047.47 × 60,331.47
  4. Step 4: Simplify right side
    131,468.80x = 11,888,163,524.88
  5. Step 5: Solve for x
    x = 11,888,163,524.88/131,468.80
  6. Step 6: Final answer
    x = 90,425.74

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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.