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Finding the Fourth Proportional to 222,394.92, 306,900.60 and 126,886.20

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Solution

The fourth proportional to 222,394.92, 306,900.60 and 126,886.20 is: 175,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,394.92 : 306,900.60 = 126,886.20 : x
  2. Step 2: Convert to fraction form
    222,394.92/306,900.60 = 126,886.20/x
  3. Step 3: Cross multiply
    222,394.92x = 306,900.60 × 126,886.20
  4. Step 4: Simplify right side
    222,394.92x = 38,941,450,911.72
  5. Step 5: Solve for x
    x = 38,941,450,911.72/222,394.92
  6. Step 6: Final answer
    x = 175,100.45

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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.