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Finding the Fourth Proportional to 235,145.72, 352,476.99 and 92,933.21

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Solution

The fourth proportional to 235,145.72, 352,476.99 and 92,933.21 is: 139,304.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,145.72 : 352,476.99 = 92,933.21 : x
  2. Step 2: Convert to fraction form
    235,145.72/352,476.99 = 92,933.21/x
  3. Step 3: Cross multiply
    235,145.72x = 352,476.99 × 92,933.21
  4. Step 4: Simplify right side
    235,145.72x = 32,756,816,369.45
  5. Step 5: Solve for x
    x = 32,756,816,369.45/235,145.72
  6. Step 6: Final answer
    x = 139,304.33

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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.