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Finding the Fourth Proportional to 198,381.29, 297,583.15 and 63,457.17

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Solution

The fourth proportional to 198,381.29, 297,583.15 and 63,457.17 is: 95,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,381.29 : 297,583.15 = 63,457.17 : x
  2. Step 2: Convert to fraction form
    198,381.29/297,583.15 = 63,457.17/x
  3. Step 3: Cross multiply
    198,381.29x = 297,583.15 × 63,457.17
  4. Step 4: Simplify right side
    198,381.29x = 18,883,785,324.70
  5. Step 5: Solve for x
    x = 18,883,785,324.70/198,381.29
  6. Step 6: Final answer
    x = 95,189.35

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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.