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Finding the Fourth Proportional to 117,594.72, 176,336.52 and 45,581.40

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Solution

The fourth proportional to 117,594.72, 176,336.52 and 45,581.40 is: 68,350.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,594.72 : 176,336.52 = 45,581.40 : x
  2. Step 2: Convert to fraction form
    117,594.72/176,336.52 = 45,581.40/x
  3. Step 3: Cross multiply
    117,594.72x = 176,336.52 × 45,581.40
  4. Step 4: Simplify right side
    117,594.72x = 8,037,665,452.73
  5. Step 5: Solve for x
    x = 8,037,665,452.73/117,594.72
  6. Step 6: Final answer
    x = 68,350.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.