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Finding the Fourth Proportional to 235,586.40, 352,796.40 and 188,930.40

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Solution

The fourth proportional to 235,586.40, 352,796.40 and 188,930.40 is: 282,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,586.40 : 352,796.40 = 188,930.40 : x
  2. Step 2: Convert to fraction form
    235,586.40/352,796.40 = 188,930.40/x
  3. Step 3: Cross multiply
    235,586.40x = 352,796.40 × 188,930.40
  4. Step 4: Simplify right side
    235,586.40x = 66,653,964,970.56
  5. Step 5: Solve for x
    x = 66,653,964,970.56/235,586.40
  6. Step 6: Final answer
    x = 282,927.90

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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.