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Finding the Fourth Proportional to 198,468.46, 297,748.82 and 65,349.87

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Solution

The fourth proportional to 198,468.46, 297,748.82 and 65,349.87 is: 98,040.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,468.46 : 297,748.82 = 65,349.87 : x
  2. Step 2: Convert to fraction form
    198,468.46/297,748.82 = 65,349.87/x
  3. Step 3: Cross multiply
    198,468.46x = 297,748.82 × 65,349.87
  4. Step 4: Simplify right side
    198,468.46x = 19,457,847,401.31
  5. Step 5: Solve for x
    x = 19,457,847,401.31/198,468.46
  6. Step 6: Final answer
    x = 98,040.00

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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.