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Finding the Fourth Proportional to 150,620.63, 207,849.58 and 82,636.19

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Solution

The fourth proportional to 150,620.63, 207,849.58 and 82,636.19 is: 114,034.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,620.63 : 207,849.58 = 82,636.19 : x
  2. Step 2: Convert to fraction form
    150,620.63/207,849.58 = 82,636.19/x
  3. Step 3: Cross multiply
    150,620.63x = 207,849.58 × 82,636.19
  4. Step 4: Simplify right side
    150,620.63x = 17,175,897,766.60
  5. Step 5: Solve for x
    x = 17,175,897,766.60/150,620.63
  6. Step 6: Final answer
    x = 114,034.17

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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.