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Finding the Fourth Proportional to 379,167.60, 568,761 and 98,697.84

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Solution

The fourth proportional to 379,167.60, 568,761 and 98,697.84 is: 148,049.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,167.60 : 568,761 = 98,697.84 : x
  2. Step 2: Convert to fraction form
    379,167.60/568,761 = 98,697.84/x
  3. Step 3: Cross multiply
    379,167.60x = 568,761 × 98,697.84
  4. Step 4: Simplify right side
    379,167.60x = 56,135,482,176.24
  5. Step 5: Solve for x
    x = 56,135,482,176.24/379,167.60
  6. Step 6: Final answer
    x = 148,049.26

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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.