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Finding the Fourth Proportional to 219,183.94, 302,472.57 and 118,579.78

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Solution

The fourth proportional to 219,183.94, 302,472.57 and 118,579.78 is: 163,639.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,183.94 : 302,472.57 = 118,579.78 : x
  2. Step 2: Convert to fraction form
    219,183.94/302,472.57 = 118,579.78/x
  3. Step 3: Cross multiply
    219,183.94x = 302,472.57 × 118,579.78
  4. Step 4: Simplify right side
    219,183.94x = 35,867,130,806.63
  5. Step 5: Solve for x
    x = 35,867,130,806.63/219,183.94
  6. Step 6: Final answer
    x = 163,639.41

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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.