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Finding the Fourth Proportional to 116,271.68, 160,413.54 and 76,008.56

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Solution

The fourth proportional to 116,271.68, 160,413.54 and 76,008.56 is: 104,864.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,271.68 : 160,413.54 = 76,008.56 : x
  2. Step 2: Convert to fraction form
    116,271.68/160,413.54 = 76,008.56/x
  3. Step 3: Cross multiply
    116,271.68x = 160,413.54 × 76,008.56
  4. Step 4: Simplify right side
    116,271.68x = 12,192,802,179.90
  5. Step 5: Solve for x
    x = 12,192,802,179.90/116,271.68
  6. Step 6: Final answer
    x = 104,864.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.