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Finding the Fourth Proportional to 198,561.04, 297,558.84 and 98,623.28

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Solution

The fourth proportional to 198,561.04, 297,558.84 and 98,623.28 is: 147,794.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,561.04 : 297,558.84 = 98,623.28 : x
  2. Step 2: Convert to fraction form
    198,561.04/297,558.84 = 98,623.28/x
  3. Step 3: Cross multiply
    198,561.04x = 297,558.84 × 98,623.28
  4. Step 4: Simplify right side
    198,561.04x = 29,346,228,793.80
  5. Step 5: Solve for x
    x = 29,346,228,793.80/198,561.04
  6. Step 6: Final answer
    x = 147,794.50

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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.