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Finding the Fourth Proportional to 220,012.42, 303,617.15 and 119,410.42

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Solution

The fourth proportional to 220,012.42, 303,617.15 and 119,410.42 is: 164,786.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,012.42 : 303,617.15 = 119,410.42 : x
  2. Step 2: Convert to fraction form
    220,012.42/303,617.15 = 119,410.42/x
  3. Step 3: Cross multiply
    220,012.42x = 303,617.15 × 119,410.42
  4. Step 4: Simplify right side
    220,012.42x = 36,255,051,400.70
  5. Step 5: Solve for x
    x = 36,255,051,400.70/220,012.42
  6. Step 6: Final answer
    x = 164,786.39

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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.