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Finding the Fourth Proportional to 169,703.97, 254,556.56 and 57,385.11

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Solution

The fourth proportional to 169,703.97, 254,556.56 and 57,385.11 is: 86,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,703.97 : 254,556.56 = 57,385.11 : x
  2. Step 2: Convert to fraction form
    169,703.97/254,556.56 = 57,385.11/x
  3. Step 3: Cross multiply
    169,703.97x = 254,556.56 × 57,385.11
  4. Step 4: Simplify right side
    169,703.97x = 14,607,756,196.82
  5. Step 5: Solve for x
    x = 14,607,756,196.82/169,703.97
  6. Step 6: Final answer
    x = 86,077.87

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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.