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Finding the Fourth Proportional to 107,274.94, 147,936.44 and 64,247.54

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Solution

The fourth proportional to 107,274.94, 147,936.44 and 64,247.54 is: 88,599.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,274.94 : 147,936.44 = 64,247.54 : x
  2. Step 2: Convert to fraction form
    107,274.94/147,936.44 = 64,247.54/x
  3. Step 3: Cross multiply
    107,274.94x = 147,936.44 × 64,247.54
  4. Step 4: Simplify right side
    107,274.94x = 9,504,551,767.29
  5. Step 5: Solve for x
    x = 9,504,551,767.29/107,274.94
  6. Step 6: Final answer
    x = 88,599.93

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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.