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Finding the Fourth Proportional to 169,036.54, 253,186.36 and 84,649.52

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Solution

The fourth proportional to 169,036.54, 253,186.36 and 84,649.52 is: 126,789.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,036.54 : 253,186.36 = 84,649.52 : x
  2. Step 2: Convert to fraction form
    169,036.54/253,186.36 = 84,649.52/x
  3. Step 3: Cross multiply
    169,036.54x = 253,186.36 × 84,649.52
  4. Step 4: Simplify right side
    169,036.54x = 21,432,104,265.89
  5. Step 5: Solve for x
    x = 21,432,104,265.89/169,036.54
  6. Step 6: Final answer
    x = 126,789.77

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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.