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Finding the Fourth Proportional to 209,294.25, 313,941.39 and 61,550.25

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Solution

The fourth proportional to 209,294.25, 313,941.39 and 61,550.25 is: 92,325.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,294.25 : 313,941.39 = 61,550.25 : x
  2. Step 2: Convert to fraction form
    209,294.25/313,941.39 = 61,550.25/x
  3. Step 3: Cross multiply
    209,294.25x = 313,941.39 × 61,550.25
  4. Step 4: Simplify right side
    209,294.25x = 19,323,171,039.85
  5. Step 5: Solve for x
    x = 19,323,171,039.85/209,294.25
  6. Step 6: Final answer
    x = 92,325.38

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1.5x scale

Why These Related Problems?

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