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Finding the Fourth Proportional to 188,283.54, 259,833 and 103,401.24

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Solution

The fourth proportional to 188,283.54, 259,833 and 103,401.24 is: 142,694.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,283.54 : 259,833 = 103,401.24 : x
  2. Step 2: Convert to fraction form
    188,283.54/259,833 = 103,401.24/x
  3. Step 3: Cross multiply
    188,283.54x = 259,833 × 103,401.24
  4. Step 4: Simplify right side
    188,283.54x = 26,867,054,392.92
  5. Step 5: Solve for x
    x = 26,867,054,392.92/188,283.54
  6. Step 6: Final answer
    x = 142,694.65

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1.5x scale

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.