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Finding the Fourth Proportional to 185,940.73, 256,600.20 and 101,057.77

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Solution

The fourth proportional to 185,940.73, 256,600.20 and 101,057.77 is: 139,460.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,940.73 : 256,600.20 = 101,057.77 : x
  2. Step 2: Convert to fraction form
    185,940.73/256,600.20 = 101,057.77/x
  3. Step 3: Cross multiply
    185,940.73x = 256,600.20 × 101,057.77
  4. Step 4: Simplify right side
    185,940.73x = 25,931,443,993.55
  5. Step 5: Solve for x
    x = 25,931,443,993.55/185,940.73
  6. Step 6: Final answer
    x = 139,460.81

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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.