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Finding the Fourth Proportional to 247,269.93, 341,230.23 and 139,860.96

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Solution

The fourth proportional to 247,269.93, 341,230.23 and 139,860.96 is: 193,006.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,269.93 : 341,230.23 = 139,860.96 : x
  2. Step 2: Convert to fraction form
    247,269.93/341,230.23 = 139,860.96/x
  3. Step 3: Cross multiply
    247,269.93x = 341,230.23 × 139,860.96
  4. Step 4: Simplify right side
    247,269.93x = 47,724,787,548.82
  5. Step 5: Solve for x
    x = 47,724,787,548.82/247,269.93
  6. Step 6: Final answer
    x = 193,006.84

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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.