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Finding the Fourth Proportional to 117,350, 161,943.24 and 67,048.88

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Solution

The fourth proportional to 117,350, 161,943.24 and 67,048.88 is: 92,527.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,350 : 161,943.24 = 67,048.88 : x
  2. Step 2: Convert to fraction form
    117,350/161,943.24 = 67,048.88/x
  3. Step 3: Cross multiply
    117,350x = 161,943.24 × 67,048.88
  4. Step 4: Simplify right side
    117,350x = 10,858,112,865.57
  5. Step 5: Solve for x
    x = 10,858,112,865.57/117,350
  6. Step 6: Final answer
    x = 92,527.59

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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.