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Finding the Fourth Proportional to 93,345.94, 139,976.70 and 26,770.78

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Solution

The fourth proportional to 93,345.94, 139,976.70 and 26,770.78 is: 40,144.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,345.94 : 139,976.70 = 26,770.78 : x
  2. Step 2: Convert to fraction form
    93,345.94/139,976.70 = 26,770.78/x
  3. Step 3: Cross multiply
    93,345.94x = 139,976.70 × 26,770.78
  4. Step 4: Simplify right side
    93,345.94x = 3,747,285,440.83
  5. Step 5: Solve for x
    x = 3,747,285,440.83/93,345.94
  6. Step 6: Final answer
    x = 40,144.06

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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.