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Finding the Fourth Proportional to 183,047.45, 252,635.71 and 125,639.61

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Solution

The fourth proportional to 183,047.45, 252,635.71 and 125,639.61 is: 173,403.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,047.45 : 252,635.71 = 125,639.61 : x
  2. Step 2: Convert to fraction form
    183,047.45/252,635.71 = 125,639.61/x
  3. Step 3: Cross multiply
    183,047.45x = 252,635.71 × 125,639.61
  4. Step 4: Simplify right side
    183,047.45x = 31,741,052,076.47
  5. Step 5: Solve for x
    x = 31,741,052,076.47/183,047.45
  6. Step 6: Final answer
    x = 173,403.41

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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.