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Finding the Fourth Proportional to 117,434.56, 162,059.64 and 67,134.64

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Solution

The fourth proportional to 117,434.56, 162,059.64 and 67,134.64 is: 92,645.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,434.56 : 162,059.64 = 67,134.64 : x
  2. Step 2: Convert to fraction form
    117,434.56/162,059.64 = 67,134.64/x
  3. Step 3: Cross multiply
    117,434.56x = 162,059.64 × 67,134.64
  4. Step 4: Simplify right side
    117,434.56x = 10,879,815,589.93
  5. Step 5: Solve for x
    x = 10,879,815,589.93/117,434.56
  6. Step 6: Final answer
    x = 92,645.77

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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.