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Finding the Fourth Proportional to 170,745.78, 235,660.02 and 101,839.66

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Solution

The fourth proportional to 170,745.78, 235,660.02 and 101,839.66 is: 140,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,745.78 : 235,660.02 = 101,839.66 : x
  2. Step 2: Convert to fraction form
    170,745.78/235,660.02 = 101,839.66/x
  3. Step 3: Cross multiply
    170,745.78x = 235,660.02 × 101,839.66
  4. Step 4: Simplify right side
    170,745.78x = 23,999,536,312.39
  5. Step 5: Solve for x
    x = 23,999,536,312.39/170,745.78
  6. Step 6: Final answer
    x = 140,557.13

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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.