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Finding the Fourth Proportional to 120,303.83, 166,020.76 and 66,593.85

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Solution

The fourth proportional to 120,303.83, 166,020.76 and 66,593.85 is: 91,900.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,303.83 : 166,020.76 = 66,593.85 : x
  2. Step 2: Convert to fraction form
    120,303.83/166,020.76 = 66,593.85/x
  3. Step 3: Cross multiply
    120,303.83x = 166,020.76 × 66,593.85
  4. Step 4: Simplify right side
    120,303.83x = 11,055,961,588.33
  5. Step 5: Solve for x
    x = 11,055,961,588.33/120,303.83
  6. Step 6: Final answer
    x = 91,900.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.