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Finding the Fourth Proportional to 114,020.10, 171,030.15 and 108,576.90

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Solution

The fourth proportional to 114,020.10, 171,030.15 and 108,576.90 is: 162,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,020.10 : 171,030.15 = 108,576.90 : x
  2. Step 2: Convert to fraction form
    114,020.10/171,030.15 = 108,576.90/x
  3. Step 3: Cross multiply
    114,020.10x = 171,030.15 × 108,576.90
  4. Step 4: Simplify right side
    114,020.10x = 18,569,923,493.54
  5. Step 5: Solve for x
    x = 18,569,923,493.54/114,020.10
  6. Step 6: Final answer
    x = 162,865.35

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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.