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Finding the Fourth Proportional to 302,096.66, 453,115.55 and 91,736.42

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Solution

The fourth proportional to 302,096.66, 453,115.55 and 91,736.42 is: 137,595.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,096.66 : 453,115.55 = 91,736.42 : x
  2. Step 2: Convert to fraction form
    302,096.66/453,115.55 = 91,736.42/x
  3. Step 3: Cross multiply
    302,096.66x = 453,115.55 × 91,736.42
  4. Step 4: Simplify right side
    302,096.66x = 41,567,198,403.33
  5. Step 5: Solve for x
    x = 41,567,198,403.33/302,096.66
  6. Step 6: Final answer
    x = 137,595.69

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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.