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Finding the Fourth Proportional to 109,095.44, 150,572.43 and 68,278.54

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Solution

The fourth proportional to 109,095.44, 150,572.43 and 68,278.54 is: 94,237.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,095.44 : 150,572.43 = 68,278.54 : x
  2. Step 2: Convert to fraction form
    109,095.44/150,572.43 = 68,278.54/x
  3. Step 3: Cross multiply
    109,095.44x = 150,572.43 × 68,278.54
  4. Step 4: Simplify right side
    109,095.44x = 10,280,865,308.22
  5. Step 5: Solve for x
    x = 10,280,865,308.22/109,095.44
  6. Step 6: Final answer
    x = 94,237.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.