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Finding the Fourth Proportional to 93,423.70, 140,135.55 and 26,857.90

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Solution

The fourth proportional to 93,423.70, 140,135.55 and 26,857.90 is: 40,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,423.70 : 140,135.55 = 26,857.90 : x
  2. Step 2: Convert to fraction form
    93,423.70/140,135.55 = 26,857.90/x
  3. Step 3: Cross multiply
    93,423.70x = 140,135.55 × 26,857.90
  4. Step 4: Simplify right side
    93,423.70x = 3,763,746,588.35
  5. Step 5: Solve for x
    x = 3,763,746,588.35/93,423.70
  6. Step 6: Final answer
    x = 40,286.85

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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.