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Finding the Fourth Proportional to 267,370.37, 368,971 and 148,138.37

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Solution

The fourth proportional to 267,370.37, 368,971 and 148,138.37 is: 204,430.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,370.37 : 368,971 = 148,138.37 : x
  2. Step 2: Convert to fraction form
    267,370.37/368,971 = 148,138.37/x
  3. Step 3: Cross multiply
    267,370.37x = 368,971 × 148,138.37
  4. Step 4: Simplify right side
    267,370.37x = 54,658,762,517.27
  5. Step 5: Solve for x
    x = 54,658,762,517.27/267,370.37
  6. Step 6: Final answer
    x = 204,430.89

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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.