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Finding the Fourth Proportional to 131,756.86, 197,612.88 and 36,965.26

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Solution

The fourth proportional to 131,756.86, 197,612.88 and 36,965.26 is: 55,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,756.86 : 197,612.88 = 36,965.26 : x
  2. Step 2: Convert to fraction form
    131,756.86/197,612.88 = 36,965.26/x
  3. Step 3: Cross multiply
    131,756.86x = 197,612.88 × 36,965.26
  4. Step 4: Simplify right side
    131,756.86x = 7,304,811,488.55
  5. Step 5: Solve for x
    x = 7,304,811,488.55/131,756.86
  6. Step 6: Final answer
    x = 55,441.60

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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.