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Finding the Fourth Proportional to 301,085.22, 415,515.99 and 173,769.01

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Solution

The fourth proportional to 301,085.22, 415,515.99 and 173,769.01 is: 239,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,085.22 : 415,515.99 = 173,769.01 : x
  2. Step 2: Convert to fraction form
    301,085.22/415,515.99 = 173,769.01/x
  3. Step 3: Cross multiply
    301,085.22x = 415,515.99 × 173,769.01
  4. Step 4: Simplify right side
    301,085.22x = 72,203,802,221.47
  5. Step 5: Solve for x
    x = 72,203,802,221.47/301,085.22
  6. Step 6: Final answer
    x = 239,811.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.