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Finding the Fourth Proportional to 198,646.13, 297,978.37 and 65,538.02

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Solution

The fourth proportional to 198,646.13, 297,978.37 and 65,538.02 is: 98,310.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,646.13 : 297,978.37 = 65,538.02 : x
  2. Step 2: Convert to fraction form
    198,646.13/297,978.37 = 65,538.02/x
  3. Step 3: Cross multiply
    198,646.13x = 297,978.37 × 65,538.02
  4. Step 4: Simplify right side
    198,646.13x = 19,528,912,372.63
  5. Step 5: Solve for x
    x = 19,528,912,372.63/198,646.13
  6. Step 6: Final answer
    x = 98,310.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.