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Finding the Fourth Proportional to 133,086.15, 199,629.23 and 133,086.15

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Solution

The fourth proportional to 133,086.15, 199,629.23 and 133,086.15 is: 199,629.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,086.15 : 199,629.23 = 133,086.15 : x
  2. Step 2: Convert to fraction form
    133,086.15/199,629.23 = 133,086.15/x
  3. Step 3: Cross multiply
    133,086.15x = 199,629.23 × 133,086.15
  4. Step 4: Simplify right side
    133,086.15x = 26,567,885,648.16
  5. Step 5: Solve for x
    x = 26,567,885,648.16/133,086.15
  6. Step 6: Final answer
    x = 199,629.23

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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.