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Finding the Fourth Proportional to 302,868.54, 454,286.46 and 92,490.12

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Solution

The fourth proportional to 302,868.54, 454,286.46 and 92,490.12 is: 138,730.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,868.54 : 454,286.46 = 92,490.12 : x
  2. Step 2: Convert to fraction form
    302,868.54/454,286.46 = 92,490.12/x
  3. Step 3: Cross multiply
    302,868.54x = 454,286.46 × 92,490.12
  4. Step 4: Simplify right side
    302,868.54x = 42,017,009,199.78
  5. Step 5: Solve for x
    x = 42,017,009,199.78/302,868.54
  6. Step 6: Final answer
    x = 138,730.19

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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.