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Finding the Fourth Proportional to 181,736.40, 273,065.40 and 161,461.20

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Solution

The fourth proportional to 181,736.40, 273,065.40 and 161,461.20 is: 242,601.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,736.40 : 273,065.40 = 161,461.20 : x
  2. Step 2: Convert to fraction form
    181,736.40/273,065.40 = 161,461.20/x
  3. Step 3: Cross multiply
    181,736.40x = 273,065.40 × 161,461.20
  4. Step 4: Simplify right side
    181,736.40x = 44,089,467,162.48
  5. Step 5: Solve for x
    x = 44,089,467,162.48/181,736.40
  6. Step 6: Final answer
    x = 242,601.19

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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.