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Finding the Fourth Proportional to 93,100.43, 139,651.46 and 26,540.48

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Solution

The fourth proportional to 93,100.43, 139,651.46 and 26,540.48 is: 39,810.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,100.43 : 139,651.46 = 26,540.48 : x
  2. Step 2: Convert to fraction form
    93,100.43/139,651.46 = 26,540.48/x
  3. Step 3: Cross multiply
    93,100.43x = 139,651.46 × 26,540.48
  4. Step 4: Simplify right side
    93,100.43x = 3,706,415,950.14
  5. Step 5: Solve for x
    x = 3,706,415,950.14/93,100.43
  6. Step 6: Final answer
    x = 39,810.95

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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.