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Finding the Fourth Proportional to 235,670.40, 352,922.40 and 189,014.40

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Solution

The fourth proportional to 235,670.40, 352,922.40 and 189,014.40 is: 283,053.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,670.40 : 352,922.40 = 189,014.40 : x
  2. Step 2: Convert to fraction form
    235,670.40/352,922.40 = 189,014.40/x
  3. Step 3: Cross multiply
    235,670.40x = 352,922.40 × 189,014.40
  4. Step 4: Simplify right side
    235,670.40x = 66,707,415,682.56
  5. Step 5: Solve for x
    x = 66,707,415,682.56/235,670.40
  6. Step 6: Final answer
    x = 283,053.86

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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.