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Finding the Fourth Proportional to 120,060.01, 165,686.03 and 66,348.37

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Solution

The fourth proportional to 120,060.01, 165,686.03 and 66,348.37 is: 91,562.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,060.01 : 165,686.03 = 66,348.37 : x
  2. Step 2: Convert to fraction form
    120,060.01/165,686.03 = 66,348.37/x
  3. Step 3: Cross multiply
    120,060.01x = 165,686.03 × 66,348.37
  4. Step 4: Simplify right side
    120,060.01x = 10,992,998,022.27
  5. Step 5: Solve for x
    x = 10,992,998,022.27/120,060.01
  6. Step 6: Final answer
    x = 91,562.53

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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.