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Finding the Fourth Proportional to 133,064.56, 199,633.29 and 66,424.24

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Solution

The fourth proportional to 133,064.56, 199,633.29 and 66,424.24 is: 99,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,064.56 : 199,633.29 = 66,424.24 : x
  2. Step 2: Convert to fraction form
    133,064.56/199,633.29 = 66,424.24/x
  3. Step 3: Cross multiply
    133,064.56x = 199,633.29 × 66,424.24
  4. Step 4: Simplify right side
    133,064.56x = 13,260,489,566.95
  5. Step 5: Solve for x
    x = 13,260,489,566.95/133,064.56
  6. Step 6: Final answer
    x = 99,654.56

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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.