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Finding the Fourth Proportional to 183,395.74, 275,093.61 and 121,051.66

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Solution

The fourth proportional to 183,395.74, 275,093.61 and 121,051.66 is: 181,577.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,395.74 : 275,093.61 = 121,051.66 : x
  2. Step 2: Convert to fraction form
    183,395.74/275,093.61 = 121,051.66/x
  3. Step 3: Cross multiply
    183,395.74x = 275,093.61 × 121,051.66
  4. Step 4: Simplify right side
    183,395.74x = 33,300,538,145.89
  5. Step 5: Solve for x
    x = 33,300,538,145.89/183,395.74
  6. Step 6: Final answer
    x = 181,577.49

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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.