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Finding the Fourth Proportional to 150,441.71, 207,601.11 and 82,445.72

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Solution

The fourth proportional to 150,441.71, 207,601.11 and 82,445.72 is: 113,770.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,441.71 : 207,601.11 = 82,445.72 : x
  2. Step 2: Convert to fraction form
    150,441.71/207,601.11 = 82,445.72/x
  3. Step 3: Cross multiply
    150,441.71x = 207,601.11 × 82,445.72
  4. Step 4: Simplify right side
    150,441.71x = 17,115,821,948.74
  5. Step 5: Solve for x
    x = 17,115,821,948.74/150,441.71
  6. Step 6: Final answer
    x = 113,770.46

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1.5x scale

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.