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Finding the Fourth Proportional to 200,649.60, 276,889.09 and 110,003.57

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Solution

The fourth proportional to 200,649.60, 276,889.09 and 110,003.57 is: 151,800.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,649.60 : 276,889.09 = 110,003.57 : x
  2. Step 2: Convert to fraction form
    200,649.60/276,889.09 = 110,003.57/x
  3. Step 3: Cross multiply
    200,649.60x = 276,889.09 × 110,003.57
  4. Step 4: Simplify right side
    200,649.60x = 30,458,788,394.05
  5. Step 5: Solve for x
    x = 30,458,788,394.05/200,649.60
  6. Step 6: Final answer
    x = 151,800.89

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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.