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Finding the Fourth Proportional to 267,974.37, 369,805.64 and 147,128.04

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Solution

The fourth proportional to 267,974.37, 369,805.64 and 147,128.04 is: 203,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,974.37 : 369,805.64 = 147,128.04 : x
  2. Step 2: Convert to fraction form
    267,974.37/369,805.64 = 147,128.04/x
  3. Step 3: Cross multiply
    267,974.37x = 369,805.64 × 147,128.04
  4. Step 4: Simplify right side
    267,974.37x = 54,408,778,258.51
  5. Step 5: Solve for x
    x = 54,408,778,258.51/267,974.37
  6. Step 6: Final answer
    x = 203,037.25

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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.