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Finding the Fourth Proportional to 83,151.54, 114,754.41 and 47,344.68

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Solution

The fourth proportional to 83,151.54, 114,754.41 and 47,344.68 is: 65,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,151.54 : 114,754.41 = 47,344.68 : x
  2. Step 2: Convert to fraction form
    83,151.54/114,754.41 = 47,344.68/x
  3. Step 3: Cross multiply
    83,151.54x = 114,754.41 × 47,344.68
  4. Step 4: Simplify right side
    83,151.54x = 5,433,010,820.04
  5. Step 5: Solve for x
    x = 5,433,010,820.04/83,151.54
  6. Step 6: Final answer
    x = 65,338.67

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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.