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Finding the Fourth Proportional to 193,999.91, 267,689.01 and 109,100.57

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Solution

The fourth proportional to 193,999.91, 267,689.01 and 109,100.57 is: 150,541.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,999.91 : 267,689.01 = 109,100.57 : x
  2. Step 2: Convert to fraction form
    193,999.91/267,689.01 = 109,100.57/x
  3. Step 3: Cross multiply
    193,999.91x = 267,689.01 × 109,100.57
  4. Step 4: Simplify right side
    193,999.91x = 29,205,022,904.51
  5. Step 5: Solve for x
    x = 29,205,022,904.51/193,999.91
  6. Step 6: Final answer
    x = 150,541.43

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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.