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Finding the Fourth Proportional to 198,603.18, 297,904.83 and 58,361.82

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Solution

The fourth proportional to 198,603.18, 297,904.83 and 58,361.82 is: 87,542.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,603.18 : 297,904.83 = 58,361.82 : x
  2. Step 2: Convert to fraction form
    198,603.18/297,904.83 = 58,361.82/x
  3. Step 3: Cross multiply
    198,603.18x = 297,904.83 × 58,361.82
  4. Step 4: Simplify right side
    198,603.18x = 17,386,268,065.59
  5. Step 5: Solve for x
    x = 17,386,268,065.59/198,603.18
  6. Step 6: Final answer
    x = 87,542.75

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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.