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Finding the Fourth Proportional to 110,998.15, 166,332.29 and 66,572.89

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Solution

The fourth proportional to 110,998.15, 166,332.29 and 66,572.89 is: 99,760.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,998.15 : 166,332.29 = 66,572.89 : x
  2. Step 2: Convert to fraction form
    110,998.15/166,332.29 = 66,572.89/x
  3. Step 3: Cross multiply
    110,998.15x = 166,332.29 × 66,572.89
  4. Step 4: Simplify right side
    110,998.15x = 11,073,220,496.92
  5. Step 5: Solve for x
    x = 11,073,220,496.92/110,998.15
  6. Step 6: Final answer
    x = 99,760.41

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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.