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Finding the Fourth Proportional to 323,837.17, 485,788.16 and 99,195.01

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Solution

The fourth proportional to 323,837.17, 485,788.16 and 99,195.01 is: 148,802.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,837.17 : 485,788.16 = 99,195.01 : x
  2. Step 2: Convert to fraction form
    323,837.17/485,788.16 = 99,195.01/x
  3. Step 3: Cross multiply
    323,837.17x = 485,788.16 × 99,195.01
  4. Step 4: Simplify right side
    323,837.17x = 48,187,758,464.17
  5. Step 5: Solve for x
    x = 48,187,758,464.17/323,837.17
  6. Step 6: Final answer
    x = 148,802.43

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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.