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Finding the Fourth Proportional to 93,613.97, 140,420.96 and 31,284.47

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Solution

The fourth proportional to 93,613.97, 140,420.96 and 31,284.47 is: 46,926.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,613.97 : 140,420.96 = 31,284.47 : x
  2. Step 2: Convert to fraction form
    93,613.97/140,420.96 = 31,284.47/x
  3. Step 3: Cross multiply
    93,613.97x = 140,420.96 × 31,284.47
  4. Step 4: Simplify right side
    93,613.97x = 4,392,995,310.49
  5. Step 5: Solve for x
    x = 4,392,995,310.49/93,613.97
  6. Step 6: Final answer
    x = 46,926.71

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Similar ratio
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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.