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Finding the Fourth Proportional to 167,266.14, 230,819.40 and 90,783.51

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Solution

The fourth proportional to 167,266.14, 230,819.40 and 90,783.51 is: 125,276.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,266.14 : 230,819.40 = 90,783.51 : x
  2. Step 2: Convert to fraction form
    167,266.14/230,819.40 = 90,783.51/x
  3. Step 3: Cross multiply
    167,266.14x = 230,819.40 × 90,783.51
  4. Step 4: Simplify right side
    167,266.14x = 20,954,595,308.09
  5. Step 5: Solve for x
    x = 20,954,595,308.09/167,266.14
  6. Step 6: Final answer
    x = 125,276.97

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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.