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Finding the Fourth Proportional to 131,994.80, 197,990.16 and 32,154.88

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Solution

The fourth proportional to 131,994.80, 197,990.16 and 32,154.88 is: 48,231.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,994.80 : 197,990.16 = 32,154.88 : x
  2. Step 2: Convert to fraction form
    131,994.80/197,990.16 = 32,154.88/x
  3. Step 3: Cross multiply
    131,994.80x = 197,990.16 × 32,154.88
  4. Step 4: Simplify right side
    131,994.80x = 6,366,349,835.98
  5. Step 5: Solve for x
    x = 6,366,349,835.98/131,994.80
  6. Step 6: Final answer
    x = 48,231.82

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1.5x scale

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.