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Finding the Fourth Proportional to 223,696.09, 335,547.78 and 118,297.27

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Solution

The fourth proportional to 223,696.09, 335,547.78 and 118,297.27 is: 177,447.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,696.09 : 335,547.78 = 118,297.27 : x
  2. Step 2: Convert to fraction form
    223,696.09/335,547.78 = 118,297.27/x
  3. Step 3: Cross multiply
    223,696.09x = 335,547.78 × 118,297.27
  4. Step 4: Simplify right side
    223,696.09x = 39,694,386,328.56
  5. Step 5: Solve for x
    x = 39,694,386,328.56/223,696.09
  6. Step 6: Final answer
    x = 177,447.83

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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.