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Finding the Fourth Proportional to 188,226.24, 259,752.72 and 103,348.80

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Solution

The fourth proportional to 188,226.24, 259,752.72 and 103,348.80 is: 142,621.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,226.24 : 259,752.72 = 103,348.80 : x
  2. Step 2: Convert to fraction form
    188,226.24/259,752.72 = 103,348.80/x
  3. Step 3: Cross multiply
    188,226.24x = 259,752.72 × 103,348.80
  4. Step 4: Simplify right side
    188,226.24x = 26,845,131,908.74
  5. Step 5: Solve for x
    x = 26,845,131,908.74/188,226.24
  6. Step 6: Final answer
    x = 142,621.62

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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.