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Finding the Fourth Proportional to 110,953.50, 166,472.13 and 66,611.10

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Solution

The fourth proportional to 110,953.50, 166,472.13 and 66,611.10 is: 99,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,953.50 : 166,472.13 = 66,611.10 : x
  2. Step 2: Convert to fraction form
    110,953.50/166,472.13 = 66,611.10/x
  3. Step 3: Cross multiply
    110,953.50x = 166,472.13 × 66,611.10
  4. Step 4: Simplify right side
    110,953.50x = 11,088,891,698.64
  5. Step 5: Solve for x
    x = 11,088,891,698.64/110,953.50
  6. Step 6: Final answer
    x = 99,941.79

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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.