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Finding the Fourth Proportional to 101,595.73, 140,270.61 and 63,413.44

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Solution

The fourth proportional to 101,595.73, 140,270.61 and 63,413.44 is: 87,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,595.73 : 140,270.61 = 63,413.44 : x
  2. Step 2: Convert to fraction form
    101,595.73/140,270.61 = 63,413.44/x
  3. Step 3: Cross multiply
    101,595.73x = 140,270.61 × 63,413.44
  4. Step 4: Simplify right side
    101,595.73x = 8,895,041,911.00
  5. Step 5: Solve for x
    x = 8,895,041,911.00/101,595.73
  6. Step 6: Final answer
    x = 87,553.30

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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.