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Finding the Fourth Proportional to 235,082.62, 352,621.50 and 57,590.56

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Solution

The fourth proportional to 235,082.62, 352,621.50 and 57,590.56 is: 86,385.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,082.62 : 352,621.50 = 57,590.56 : x
  2. Step 2: Convert to fraction form
    235,082.62/352,621.50 = 57,590.56/x
  3. Step 3: Cross multiply
    235,082.62x = 352,621.50 × 57,590.56
  4. Step 4: Simplify right side
    235,082.62x = 20,307,669,653.04
  5. Step 5: Solve for x
    x = 20,307,669,653.04/235,082.62
  6. Step 6: Final answer
    x = 86,385.24

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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.