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Finding the Fourth Proportional to 118,183, 177,175.07 and 54,971.01

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Solution

The fourth proportional to 118,183, 177,175.07 and 54,971.01 is: 82,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,183 : 177,175.07 = 54,971.01 : x
  2. Step 2: Convert to fraction form
    118,183/177,175.07 = 54,971.01/x
  3. Step 3: Cross multiply
    118,183x = 177,175.07 × 54,971.01
  4. Step 4: Simplify right side
    118,183x = 9,739,492,544.72
  5. Step 5: Solve for x
    x = 9,739,492,544.72/118,183
  6. Step 6: Final answer
    x = 82,410.27

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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.