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Finding the Fourth Proportional to 259,254.50, 388,920.63 and 93,081.38

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Solution

The fourth proportional to 259,254.50, 388,920.63 and 93,081.38 is: 139,636.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,254.50 : 388,920.63 = 93,081.38 : x
  2. Step 2: Convert to fraction form
    259,254.50/388,920.63 = 93,081.38/x
  3. Step 3: Cross multiply
    259,254.50x = 388,920.63 × 93,081.38
  4. Step 4: Simplify right side
    259,254.50x = 36,201,268,950.87
  5. Step 5: Solve for x
    x = 36,201,268,950.87/259,254.50
  6. Step 6: Final answer
    x = 139,636.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.