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Finding the Fourth Proportional to 235,082.29, 352,612.49 and 57,579.91

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Solution

The fourth proportional to 235,082.29, 352,612.49 and 57,579.91 is: 86,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,082.29 : 352,612.49 = 57,579.91 : x
  2. Step 2: Convert to fraction form
    235,082.29/352,612.49 = 57,579.91/x
  3. Step 3: Cross multiply
    235,082.29x = 352,612.49 × 57,579.91
  4. Step 4: Simplify right side
    235,082.29x = 20,303,395,439.08
  5. Step 5: Solve for x
    x = 20,303,395,439.08/235,082.29
  6. Step 6: Final answer
    x = 86,367.18

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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.