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Finding the Fourth Proportional to 123,747, 170,773.41 and 70,032

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Solution

The fourth proportional to 123,747, 170,773.41 and 70,032 is: 96,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,747 : 170,773.41 = 70,032 : x
  2. Step 2: Convert to fraction form
    123,747/170,773.41 = 70,032/x
  3. Step 3: Cross multiply
    123,747x = 170,773.41 × 70,032
  4. Step 4: Simplify right side
    123,747x = 11,959,603,449.12
  5. Step 5: Solve for x
    x = 11,959,603,449.12/123,747
  6. Step 6: Final answer
    x = 96,645.60

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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.