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Finding the Fourth Proportional to 302,691.52, 453,964.16 and 134,118.64

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Solution

The fourth proportional to 302,691.52, 453,964.16 and 134,118.64 is: 201,145.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,691.52 : 453,964.16 = 134,118.64 : x
  2. Step 2: Convert to fraction form
    302,691.52/453,964.16 = 134,118.64/x
  3. Step 3: Cross multiply
    302,691.52x = 453,964.16 × 134,118.64
  4. Step 4: Simplify right side
    302,691.52x = 60,885,055,747.94
  5. Step 5: Solve for x
    x = 60,885,055,747.94/302,691.52
  6. Step 6: Final answer
    x = 201,145.56

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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.