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Finding the Fourth Proportional to 200,661.58, 276,911.76 and 110,021.38

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Solution

The fourth proportional to 200,661.58, 276,911.76 and 110,021.38 is: 151,828.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,661.58 : 276,911.76 = 110,021.38 : x
  2. Step 2: Convert to fraction form
    200,661.58/276,911.76 = 110,021.38/x
  3. Step 3: Cross multiply
    200,661.58x = 276,911.76 × 110,021.38
  4. Step 4: Simplify right side
    200,661.58x = 30,466,213,973.43
  5. Step 5: Solve for x
    x = 30,466,213,973.43/200,661.58
  6. Step 6: Final answer
    x = 151,828.84

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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.