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Finding the Fourth Proportional to 365,229.63, 547,844.43 and 98,990.15

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Solution

The fourth proportional to 365,229.63, 547,844.43 and 98,990.15 is: 148,485.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,229.63 : 547,844.43 = 98,990.15 : x
  2. Step 2: Convert to fraction form
    365,229.63/547,844.43 = 98,990.15/x
  3. Step 3: Cross multiply
    365,229.63x = 547,844.43 × 98,990.15
  4. Step 4: Simplify right side
    365,229.63x = 54,231,199,563.14
  5. Step 5: Solve for x
    x = 54,231,199,563.14/365,229.63
  6. Step 6: Final answer
    x = 148,485.21

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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.