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Finding the Fourth Proportional to 302,885.27, 454,311.45 and 92,506.80

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Solution

The fourth proportional to 302,885.27, 454,311.45 and 92,506.80 is: 138,755.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,885.27 : 454,311.45 = 92,506.80 : x
  2. Step 2: Convert to fraction form
    302,885.27/454,311.45 = 92,506.80/x
  3. Step 3: Cross multiply
    302,885.27x = 454,311.45 × 92,506.80
  4. Step 4: Simplify right side
    302,885.27x = 42,026,898,442.86
  5. Step 5: Solve for x
    x = 42,026,898,442.86/302,885.27
  6. Step 6: Final answer
    x = 138,755.18

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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.