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Finding the Fourth Proportional to 93,651.84, 140,496.96 and 31,322.88

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Solution

The fourth proportional to 93,651.84, 140,496.96 and 31,322.88 is: 46,990.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,651.84 : 140,496.96 = 31,322.88 : x
  2. Step 2: Convert to fraction form
    93,651.84/140,496.96 = 31,322.88/x
  3. Step 3: Cross multiply
    93,651.84x = 140,496.96 × 31,322.88
  4. Step 4: Simplify right side
    93,651.84x = 4,400,769,418.44
  5. Step 5: Solve for x
    x = 4,400,769,418.44/93,651.84
  6. Step 6: Final answer
    x = 46,990.74

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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.