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Finding the Fourth Proportional to 126,571.95, 189,822.78 and 37,804.41

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Solution

The fourth proportional to 126,571.95, 189,822.78 and 37,804.41 is: 56,696.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,571.95 : 189,822.78 = 37,804.41 : x
  2. Step 2: Convert to fraction form
    126,571.95/189,822.78 = 37,804.41/x
  3. Step 3: Cross multiply
    126,571.95x = 189,822.78 × 37,804.41
  4. Step 4: Simplify right side
    126,571.95x = 7,176,138,202.46
  5. Step 5: Solve for x
    x = 7,176,138,202.46/126,571.95
  6. Step 6: Final answer
    x = 56,696.12

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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.