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Finding the Fourth Proportional to 200,644.89, 276,889.88 and 109,998.91

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Solution

The fourth proportional to 200,644.89, 276,889.88 and 109,998.91 is: 151,798.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,644.89 : 276,889.88 = 109,998.91 : x
  2. Step 2: Convert to fraction form
    200,644.89/276,889.88 = 109,998.91/x
  3. Step 3: Cross multiply
    200,644.89x = 276,889.88 × 109,998.91
  4. Step 4: Simplify right side
    200,644.89x = 30,457,585,265.03
  5. Step 5: Solve for x
    x = 30,457,585,265.03/200,644.89
  6. Step 6: Final answer
    x = 151,798.46

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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.