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Finding the Fourth Proportional to 110,695.40, 166,043.10 and 44,145.80

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Solution

The fourth proportional to 110,695.40, 166,043.10 and 44,145.80 is: 66,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,695.40 : 166,043.10 = 44,145.80 : x
  2. Step 2: Convert to fraction form
    110,695.40/166,043.10 = 44,145.80/x
  3. Step 3: Cross multiply
    110,695.40x = 166,043.10 × 44,145.80
  4. Step 4: Simplify right side
    110,695.40x = 7,330,105,483.98
  5. Step 5: Solve for x
    x = 7,330,105,483.98/110,695.40
  6. Step 6: Final answer
    x = 66,218.70

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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.