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Finding the Fourth Proportional to 188,246.56, 259,803.66 and 107,662.90

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Solution

The fourth proportional to 188,246.56, 259,803.66 and 107,662.90 is: 148,588.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,246.56 : 259,803.66 = 107,662.90 : x
  2. Step 2: Convert to fraction form
    188,246.56/259,803.66 = 107,662.90/x
  3. Step 3: Cross multiply
    188,246.56x = 259,803.66 × 107,662.90
  4. Step 4: Simplify right side
    188,246.56x = 27,971,215,466.21
  5. Step 5: Solve for x
    x = 27,971,215,466.21/188,246.56
  6. Step 6: Final answer
    x = 148,588.19

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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.