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Finding the Fourth Proportional to 399,098.00, 598,127.19 and 162,163.69

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Solution

The fourth proportional to 399,098.00, 598,127.19 and 162,163.69 is: 243,034.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,098.00 : 598,127.19 = 162,163.69 : x
  2. Step 2: Convert to fraction form
    399,098.00/598,127.19 = 162,163.69/x
  3. Step 3: Cross multiply
    399,098.00x = 598,127.19 × 162,163.69
  4. Step 4: Simplify right side
    399,098.00x = 96,994,510,116.30
  5. Step 5: Solve for x
    x = 96,994,510,116.30/399,098.00
  6. Step 6: Final answer
    x = 243,034.32

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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.