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Finding the Fourth Proportional to 201,039.85, 302,971.70 and 181,074.37

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Solution

The fourth proportional to 201,039.85, 302,971.70 and 181,074.37 is: 272,883.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,039.85 : 302,971.70 = 181,074.37 : x
  2. Step 2: Convert to fraction form
    201,039.85/302,971.70 = 181,074.37/x
  3. Step 3: Cross multiply
    201,039.85x = 302,971.70 × 181,074.37
  4. Step 4: Simplify right side
    201,039.85x = 54,860,409,705.33
  5. Step 5: Solve for x
    x = 54,860,409,705.33/201,039.85
  6. Step 6: Final answer
    x = 272,883.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.