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Finding the Fourth Proportional to 302,622.48, 453,860.82 and 134,049.60

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Solution

The fourth proportional to 302,622.48, 453,860.82 and 134,049.60 is: 201,042.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,622.48 : 453,860.82 = 134,049.60 : x
  2. Step 2: Convert to fraction form
    302,622.48/453,860.82 = 134,049.60/x
  3. Step 3: Cross multiply
    302,622.48x = 453,860.82 × 134,049.60
  4. Step 4: Simplify right side
    302,622.48x = 60,839,861,376.67
  5. Step 5: Solve for x
    x = 60,839,861,376.67/302,622.48
  6. Step 6: Final answer
    x = 201,042.11

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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.