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Finding the Fourth Proportional to 295,964.56, 444,012.59 and 138,106.90

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Solution

The fourth proportional to 295,964.56, 444,012.59 and 138,106.90 is: 207,191.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,964.56 : 444,012.59 = 138,106.90 : x
  2. Step 2: Convert to fraction form
    295,964.56/444,012.59 = 138,106.90/x
  3. Step 3: Cross multiply
    295,964.56x = 444,012.59 × 138,106.90
  4. Step 4: Simplify right side
    295,964.56x = 61,321,202,365.87
  5. Step 5: Solve for x
    x = 61,321,202,365.87/295,964.56
  6. Step 6: Final answer
    x = 207,191.03

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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.