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Finding the Fourth Proportional to 323,874.24, 485,881.06 and 99,250.19

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Solution

The fourth proportional to 323,874.24, 485,881.06 and 99,250.19 is: 148,896.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,874.24 : 485,881.06 = 99,250.19 : x
  2. Step 2: Convert to fraction form
    323,874.24/485,881.06 = 99,250.19/x
  3. Step 3: Cross multiply
    323,874.24x = 485,881.06 × 99,250.19
  4. Step 4: Simplify right side
    323,874.24x = 48,223,787,522.40
  5. Step 5: Solve for x
    x = 48,223,787,522.40/323,874.24
  6. Step 6: Final answer
    x = 148,896.64

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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.