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Finding the Fourth Proportional to 110,661.97, 166,026.98 and 98,900.77

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Solution

The fourth proportional to 110,661.97, 166,026.98 and 98,900.77 is: 148,381.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,661.97 : 166,026.98 = 98,900.77 : x
  2. Step 2: Convert to fraction form
    110,661.97/166,026.98 = 98,900.77/x
  3. Step 3: Cross multiply
    110,661.97x = 166,026.98 × 98,900.77
  4. Step 4: Simplify right side
    110,661.97x = 16,420,195,668.27
  5. Step 5: Solve for x
    x = 16,420,195,668.27/110,661.97
  6. Step 6: Final answer
    x = 148,381.56

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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.