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Finding the Fourth Proportional to 78,792.44, 118,189.68 and 26,201.92

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Solution

The fourth proportional to 78,792.44, 118,189.68 and 26,201.92 is: 39,303.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,792.44 : 118,189.68 = 26,201.92 : x
  2. Step 2: Convert to fraction form
    78,792.44/118,189.68 = 26,201.92/x
  3. Step 3: Cross multiply
    78,792.44x = 118,189.68 × 26,201.92
  4. Step 4: Simplify right side
    78,792.44x = 3,096,796,540.19
  5. Step 5: Solve for x
    x = 3,096,796,540.19/78,792.44
  6. Step 6: Final answer
    x = 39,303.22

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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.