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Finding the Fourth Proportional to 150,651.56, 207,898.58 and 82,669.67

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Solution

The fourth proportional to 150,651.56, 207,898.58 and 82,669.67 is: 114,083.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,651.56 : 207,898.58 = 82,669.67 : x
  2. Step 2: Convert to fraction form
    150,651.56/207,898.58 = 82,669.67/x
  3. Step 3: Cross multiply
    150,651.56x = 207,898.58 × 82,669.67
  4. Step 4: Simplify right side
    150,651.56x = 17,186,905,549.23
  5. Step 5: Solve for x
    x = 17,186,905,549.23/150,651.56
  6. Step 6: Final answer
    x = 114,083.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.