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Finding the Fourth Proportional to 188,334.36, 259,894.44 and 103,446.36

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Solution

The fourth proportional to 188,334.36, 259,894.44 and 103,446.36 is: 142,752.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,334.36 : 259,894.44 = 103,446.36 : x
  2. Step 2: Convert to fraction form
    188,334.36/259,894.44 = 103,446.36/x
  3. Step 3: Cross multiply
    188,334.36x = 259,894.44 × 103,446.36
  4. Step 4: Simplify right side
    188,334.36x = 26,885,133,802.24
  5. Step 5: Solve for x
    x = 26,885,133,802.24/188,334.36
  6. Step 6: Final answer
    x = 142,752.14

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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.