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Finding the Fourth Proportional to 267,305, 368,880.90 and 148,073

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Solution

The fourth proportional to 267,305, 368,880.90 and 148,073 is: 204,340.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,305 : 368,880.90 = 148,073 : x
  2. Step 2: Convert to fraction form
    267,305/368,880.90 = 148,073/x
  3. Step 3: Cross multiply
    267,305x = 368,880.90 × 148,073
  4. Step 4: Simplify right side
    267,305x = 54,621,301,505.70
  5. Step 5: Solve for x
    x = 54,621,301,505.70/267,305
  6. Step 6: Final answer
    x = 204,340.74

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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.