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Finding the Fourth Proportional to 203,073.35, 280,314.83 and 118,190.41

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Solution

The fourth proportional to 203,073.35, 280,314.83 and 118,190.41 is: 163,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,073.35 : 280,314.83 = 118,190.41 : x
  2. Step 2: Convert to fraction form
    203,073.35/280,314.83 = 118,190.41/x
  3. Step 3: Cross multiply
    203,073.35x = 280,314.83 × 118,190.41
  4. Step 4: Simplify right side
    203,073.35x = 33,130,523,616.65
  5. Step 5: Solve for x
    x = 33,130,523,616.65/203,073.35
  6. Step 6: Final answer
    x = 163,145.60

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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.