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Finding the Fourth Proportional to 198,535.28, 297,832.44 and 65,390.96

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Solution

The fourth proportional to 198,535.28, 297,832.44 and 65,390.96 is: 98,096.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,535.28 : 297,832.44 = 65,390.96 : x
  2. Step 2: Convert to fraction form
    198,535.28/297,832.44 = 65,390.96/x
  3. Step 3: Cross multiply
    198,535.28x = 297,832.44 × 65,390.96
  4. Step 4: Simplify right side
    198,535.28x = 19,475,549,170.74
  5. Step 5: Solve for x
    x = 19,475,549,170.74/198,535.28
  6. Step 6: Final answer
    x = 98,096.16

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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.