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Finding the Fourth Proportional to 188,482.74, 282,819.78 and 125,346.78

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Solution

The fourth proportional to 188,482.74, 282,819.78 and 125,346.78 is: 188,083.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,482.74 : 282,819.78 = 125,346.78 : x
  2. Step 2: Convert to fraction form
    188,482.74/282,819.78 = 125,346.78/x
  3. Step 3: Cross multiply
    188,482.74x = 282,819.78 × 125,346.78
  4. Step 4: Simplify right side
    188,482.74x = 35,450,548,743.31
  5. Step 5: Solve for x
    x = 35,450,548,743.31/188,482.74
  6. Step 6: Final answer
    x = 188,083.79

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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.