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Finding the Fourth Proportional to 302,710.77, 454,137.17 and 92,348.64

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Solution

The fourth proportional to 302,710.77, 454,137.17 and 92,348.64 is: 138,544.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,710.77 : 454,137.17 = 92,348.64 : x
  2. Step 2: Convert to fraction form
    302,710.77/454,137.17 = 92,348.64/x
  3. Step 3: Cross multiply
    302,710.77x = 454,137.17 × 92,348.64
  4. Step 4: Simplify right side
    302,710.77x = 41,938,949,561.21
  5. Step 5: Solve for x
    x = 41,938,949,561.21/302,710.77
  6. Step 6: Final answer
    x = 138,544.62

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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.