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Finding the Fourth Proportional to 131,860.88, 197,824.12 and 38,366.62

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Solution

The fourth proportional to 131,860.88, 197,824.12 and 38,366.62 is: 57,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,860.88 : 197,824.12 = 38,366.62 : x
  2. Step 2: Convert to fraction form
    131,860.88/197,824.12 = 38,366.62/x
  3. Step 3: Cross multiply
    131,860.88x = 197,824.12 × 38,366.62
  4. Step 4: Simplify right side
    131,860.88x = 7,589,842,838.87
  5. Step 5: Solve for x
    x = 7,589,842,838.87/131,860.88
  6. Step 6: Final answer
    x = 57,559.47

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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.