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Finding the Fourth Proportional to 93,768.91, 140,657.87 and 30,588.91

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Solution

The fourth proportional to 93,768.91, 140,657.87 and 30,588.91 is: 45,884.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,768.91 : 140,657.87 = 30,588.91 : x
  2. Step 2: Convert to fraction form
    93,768.91/140,657.87 = 30,588.91/x
  3. Step 3: Cross multiply
    93,768.91x = 140,657.87 × 30,588.91
  4. Step 4: Simplify right side
    93,768.91x = 4,302,570,651.05
  5. Step 5: Solve for x
    x = 4,302,570,651.05/93,768.91
  6. Step 6: Final answer
    x = 45,884.83

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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.