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Finding the Fourth Proportional to 78,846.92, 118,244.94 and 26,242.44

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Solution

The fourth proportional to 78,846.92, 118,244.94 and 26,242.44 is: 39,355.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,846.92 : 118,244.94 = 26,242.44 : x
  2. Step 2: Convert to fraction form
    78,846.92/118,244.94 = 26,242.44/x
  3. Step 3: Cross multiply
    78,846.92x = 118,244.94 × 26,242.44
  4. Step 4: Simplify right side
    78,846.92x = 3,103,035,743.25
  5. Step 5: Solve for x
    x = 3,103,035,743.25/78,846.92
  6. Step 6: Final answer
    x = 39,355.19

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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.