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Finding the Fourth Proportional to 183,399.74, 275,099.62 and 121,055.66

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Solution

The fourth proportional to 183,399.74, 275,099.62 and 121,055.66 is: 181,583.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,399.74 : 275,099.62 = 121,055.66 : x
  2. Step 2: Convert to fraction form
    183,399.74/275,099.62 = 121,055.66/x
  3. Step 3: Cross multiply
    183,399.74x = 275,099.62 × 121,055.66
  4. Step 4: Simplify right side
    183,399.74x = 33,302,366,064.85
  5. Step 5: Solve for x
    x = 33,302,366,064.85/183,399.74
  6. Step 6: Final answer
    x = 181,583.50

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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.