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Finding the Fourth Proportional to 114,628.30, 171,614.40 and 101,506.30

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Solution

The fourth proportional to 114,628.30, 171,614.40 and 101,506.30 is: 151,968.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,628.30 : 171,614.40 = 101,506.30 : x
  2. Step 2: Convert to fraction form
    114,628.30/171,614.40 = 101,506.30/x
  3. Step 3: Cross multiply
    114,628.30x = 171,614.40 × 101,506.30
  4. Step 4: Simplify right side
    114,628.30x = 17,419,942,770.72
  5. Step 5: Solve for x
    x = 17,419,942,770.72/114,628.30
  6. Step 6: Final answer
    x = 151,968.95

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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.