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Finding the Fourth Proportional to 200,447.34, 276,607.42 and 109,803.61

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Solution

The fourth proportional to 200,447.34, 276,607.42 and 109,803.61 is: 151,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,447.34 : 276,607.42 = 109,803.61 : x
  2. Step 2: Convert to fraction form
    200,447.34/276,607.42 = 109,803.61/x
  3. Step 3: Cross multiply
    200,447.34x = 276,607.42 × 109,803.61
  4. Step 4: Simplify right side
    200,447.34x = 30,372,493,957.68
  5. Step 5: Solve for x
    x = 30,372,493,957.68/200,447.34
  6. Step 6: Final answer
    x = 151,523.56

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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.