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Finding the Fourth Proportional to 323,881.83, 485,837.27 and 99,225.83

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Solution

The fourth proportional to 323,881.83, 485,837.27 and 99,225.83 is: 148,843.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,881.83 : 485,837.27 = 99,225.83 : x
  2. Step 2: Convert to fraction form
    323,881.83/485,837.27 = 99,225.83/x
  3. Step 3: Cross multiply
    323,881.83x = 485,837.27 × 99,225.83
  4. Step 4: Simplify right side
    323,881.83x = 48,207,605,864.56
  5. Step 5: Solve for x
    x = 48,207,605,864.56/323,881.83
  6. Step 6: Final answer
    x = 148,843.19

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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.