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Finding the Fourth Proportional to 181,970.88, 273,005.46 and 55,607.68

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Solution

The fourth proportional to 181,970.88, 273,005.46 and 55,607.68 is: 83,426.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,970.88 : 273,005.46 = 55,607.68 : x
  2. Step 2: Convert to fraction form
    181,970.88/273,005.46 = 55,607.68/x
  3. Step 3: Cross multiply
    181,970.88x = 273,005.46 × 55,607.68
  4. Step 4: Simplify right side
    181,970.88x = 15,181,200,257.93
  5. Step 5: Solve for x
    x = 15,181,200,257.93/181,970.88
  6. Step 6: Final answer
    x = 83,426.54

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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.