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Finding the Fourth Proportional to 200,644.64, 276,889.54 and 109,998.66

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Solution

The fourth proportional to 200,644.64, 276,889.54 and 109,998.66 is: 151,798.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,644.64 : 276,889.54 = 109,998.66 : x
  2. Step 2: Convert to fraction form
    200,644.64/276,889.54 = 109,998.66/x
  3. Step 3: Cross multiply
    200,644.64x = 276,889.54 × 109,998.66
  4. Step 4: Simplify right side
    200,644.64x = 30,457,478,249.48
  5. Step 5: Solve for x
    x = 30,457,478,249.48/200,644.64
  6. Step 6: Final answer
    x = 151,798.12

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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.