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Finding the Fourth Proportional to 201,416.45, 277,961.67 and 110,779.26

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Solution

The fourth proportional to 201,416.45, 277,961.67 and 110,779.26 is: 152,879.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,416.45 : 277,961.67 = 110,779.26 : x
  2. Step 2: Convert to fraction form
    201,416.45/277,961.67 = 110,779.26/x
  3. Step 3: Cross multiply
    201,416.45x = 277,961.67 × 110,779.26
  4. Step 4: Simplify right side
    201,416.45x = 30,792,388,110.96
  5. Step 5: Solve for x
    x = 30,792,388,110.96/201,416.45
  6. Step 6: Final answer
    x = 152,879.22

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1.5x scale

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.