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Finding the Fourth Proportional to 219,932.64, 303,506.84 and 119,330.64

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Solution

The fourth proportional to 219,932.64, 303,506.84 and 119,330.64 is: 164,676.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,932.64 : 303,506.84 = 119,330.64 : x
  2. Step 2: Convert to fraction form
    219,932.64/303,506.84 = 119,330.64/x
  3. Step 3: Cross multiply
    219,932.64x = 303,506.84 × 119,330.64
  4. Step 4: Simplify right side
    219,932.64x = 36,217,664,864.92
  5. Step 5: Solve for x
    x = 36,217,664,864.92/219,932.64
  6. Step 6: Final answer
    x = 164,676.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.