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Finding the Fourth Proportional to 302,936.78, 454,406.25 and 92,573.84

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Solution

The fourth proportional to 302,936.78, 454,406.25 and 92,573.84 is: 138,861.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,936.78 : 454,406.25 = 92,573.84 : x
  2. Step 2: Convert to fraction form
    302,936.78/454,406.25 = 92,573.84/x
  3. Step 3: Cross multiply
    302,936.78x = 454,406.25 × 92,573.84
  4. Step 4: Simplify right side
    302,936.78x = 42,066,131,482.50
  5. Step 5: Solve for x
    x = 42,066,131,482.50/302,936.78
  6. Step 6: Final answer
    x = 138,861.09

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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.