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Finding the Fourth Proportional to 171,906.30, 256,603.14 and 159,243.57

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Solution

The fourth proportional to 171,906.30, 256,603.14 and 159,243.57 is: 237,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,906.30 : 256,603.14 = 159,243.57 : x
  2. Step 2: Convert to fraction form
    171,906.30/256,603.14 = 159,243.57/x
  3. Step 3: Cross multiply
    171,906.30x = 256,603.14 × 159,243.57
  4. Step 4: Simplify right side
    171,906.30x = 40,862,400,086.81
  5. Step 5: Solve for x
    x = 40,862,400,086.81/171,906.30
  6. Step 6: Final answer
    x = 237,701.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.