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Finding the Fourth Proportional to 131,662.14, 197,493.21 and 72,467.34

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Solution

The fourth proportional to 131,662.14, 197,493.21 and 72,467.34 is: 108,701.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,662.14 : 197,493.21 = 72,467.34 : x
  2. Step 2: Convert to fraction form
    131,662.14/197,493.21 = 72,467.34/x
  3. Step 3: Cross multiply
    131,662.14x = 197,493.21 × 72,467.34
  4. Step 4: Simplify right side
    131,662.14x = 14,311,807,596.76
  5. Step 5: Solve for x
    x = 14,311,807,596.76/131,662.14
  6. Step 6: Final answer
    x = 108,701.01

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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.