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Finding the Fourth Proportional to 70,845.52, 106,176.60 and 32,880.88

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Solution

The fourth proportional to 70,845.52, 106,176.60 and 32,880.88 is: 49,278.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,845.52 : 106,176.60 = 32,880.88 : x
  2. Step 2: Convert to fraction form
    70,845.52/106,176.60 = 32,880.88/x
  3. Step 3: Cross multiply
    70,845.52x = 106,176.60 × 32,880.88
  4. Step 4: Simplify right side
    70,845.52x = 3,491,180,043.41
  5. Step 5: Solve for x
    x = 3,491,180,043.41/70,845.52
  6. Step 6: Final answer
    x = 49,278.77

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1.5x scale

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.