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Finding the Fourth Proportional to 224,298.36, 336,446.94 and 55,815.54

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Solution

The fourth proportional to 224,298.36, 336,446.94 and 55,815.54 is: 83,723.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,298.36 : 336,446.94 = 55,815.54 : x
  2. Step 2: Convert to fraction form
    224,298.36/336,446.94 = 55,815.54/x
  3. Step 3: Cross multiply
    224,298.36x = 336,446.94 × 55,815.54
  4. Step 4: Simplify right side
    224,298.36x = 18,778,967,637.45
  5. Step 5: Solve for x
    x = 18,778,967,637.45/224,298.36
  6. Step 6: Final answer
    x = 83,723.16

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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.