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Finding the Fourth Proportional to 93,876.42, 140,814.88 and 27,318.14

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Solution

The fourth proportional to 93,876.42, 140,814.88 and 27,318.14 is: 40,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,876.42 : 140,814.88 = 27,318.14 : x
  2. Step 2: Convert to fraction form
    93,876.42/140,814.88 = 27,318.14/x
  3. Step 3: Cross multiply
    93,876.42x = 140,814.88 × 27,318.14
  4. Step 4: Simplify right side
    93,876.42x = 3,846,800,605.92
  5. Step 5: Solve for x
    x = 3,846,800,605.92/93,876.42
  6. Step 6: Final answer
    x = 40,977.28

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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.