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Finding the Fourth Proportional to 181,859.40, 272,837.70 and 162,273.60

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Solution

The fourth proportional to 181,859.40, 272,837.70 and 162,273.60 is: 243,453.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,859.40 : 272,837.70 = 162,273.60 : x
  2. Step 2: Convert to fraction form
    181,859.40/272,837.70 = 162,273.60/x
  3. Step 3: Cross multiply
    181,859.40x = 272,837.70 × 162,273.60
  4. Step 4: Simplify right side
    181,859.40x = 44,274,355,794.72
  5. Step 5: Solve for x
    x = 44,274,355,794.72/181,859.40
  6. Step 6: Final answer
    x = 243,453.77

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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.