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Finding the Fourth Proportional to 181,187.34, 271,613.34 and 68,833.86

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Solution

The fourth proportional to 181,187.34, 271,613.34 and 68,833.86 is: 103,187.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,187.34 : 271,613.34 = 68,833.86 : x
  2. Step 2: Convert to fraction form
    181,187.34/271,613.34 = 68,833.86/x
  3. Step 3: Cross multiply
    181,187.34x = 271,613.34 × 68,833.86
  4. Step 4: Simplify right side
    181,187.34x = 18,696,194,619.69
  5. Step 5: Solve for x
    x = 18,696,194,619.69/181,187.34
  6. Step 6: Final answer
    x = 103,187.09

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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.