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Finding the Fourth Proportional to 303,042.40, 454,490.70 and 92,682.16

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Solution

The fourth proportional to 303,042.40, 454,490.70 and 92,682.16 is: 139,000.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,042.40 : 454,490.70 = 92,682.16 : x
  2. Step 2: Convert to fraction form
    303,042.40/454,490.70 = 92,682.16/x
  3. Step 3: Cross multiply
    303,042.40x = 454,490.70 × 92,682.16
  4. Step 4: Simplify right side
    303,042.40x = 42,123,179,775.91
  5. Step 5: Solve for x
    x = 42,123,179,775.91/303,042.40
  6. Step 6: Final answer
    x = 139,000.94

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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.