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Finding the Fourth Proportional to 302,935.78, 454,404.75 and 92,572.84

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Solution

The fourth proportional to 302,935.78, 454,404.75 and 92,572.84 is: 138,859.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,935.78 : 454,404.75 = 92,572.84 : x
  2. Step 2: Convert to fraction form
    302,935.78/454,404.75 = 92,572.84/x
  3. Step 3: Cross multiply
    302,935.78x = 454,404.75 × 92,572.84
  4. Step 4: Simplify right side
    302,935.78x = 42,065,538,216.99
  5. Step 5: Solve for x
    x = 42,065,538,216.99/302,935.78
  6. Step 6: Final answer
    x = 138,859.59

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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.