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Finding the Fourth Proportional to 365,103.80, 547,614.18 and 98,885.06

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Solution

The fourth proportional to 365,103.80, 547,614.18 and 98,885.06 is: 148,316.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,103.80 : 547,614.18 = 98,885.06 : x
  2. Step 2: Convert to fraction form
    365,103.80/547,614.18 = 98,885.06/x
  3. Step 3: Cross multiply
    365,103.80x = 547,614.18 × 98,885.06
  4. Step 4: Simplify right side
    365,103.80x = 54,150,861,046.15
  5. Step 5: Solve for x
    x = 54,150,861,046.15/365,103.80
  6. Step 6: Final answer
    x = 148,316.34

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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.