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Finding the Fourth Proportional to 198,341.88, 297,522.39 and 65,219.19

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Solution

The fourth proportional to 198,341.88, 297,522.39 and 65,219.19 is: 97,831.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,341.88 : 297,522.39 = 65,219.19 : x
  2. Step 2: Convert to fraction form
    198,341.88/297,522.39 = 65,219.19/x
  3. Step 3: Cross multiply
    198,341.88x = 297,522.39 × 65,219.19
  4. Step 4: Simplify right side
    198,341.88x = 19,404,169,282.66
  5. Step 5: Solve for x
    x = 19,404,169,282.66/198,341.88
  6. Step 6: Final answer
    x = 97,831.93

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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.