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Finding the Fourth Proportional to 169,503.84, 254,090.52 and 80,733.51

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Solution

The fourth proportional to 169,503.84, 254,090.52 and 80,733.51 is: 121,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,503.84 : 254,090.52 = 80,733.51 : x
  2. Step 2: Convert to fraction form
    169,503.84/254,090.52 = 80,733.51/x
  3. Step 3: Cross multiply
    169,503.84x = 254,090.52 × 80,733.51
  4. Step 4: Simplify right side
    169,503.84x = 20,513,619,537.33
  5. Step 5: Solve for x
    x = 20,513,619,537.33/169,503.84
  6. Step 6: Final answer
    x = 121,021.56

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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.