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Finding the Fourth Proportional to 203,016.75, 280,098.69 and 118,117.41

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Solution

The fourth proportional to 203,016.75, 280,098.69 and 118,117.41 is: 162,964.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,016.75 : 280,098.69 = 118,117.41 : x
  2. Step 2: Convert to fraction form
    203,016.75/280,098.69 = 118,117.41/x
  3. Step 3: Cross multiply
    203,016.75x = 280,098.69 × 118,117.41
  4. Step 4: Simplify right side
    203,016.75x = 33,084,531,807.19
  5. Step 5: Solve for x
    x = 33,084,531,807.19/203,016.75
  6. Step 6: Final answer
    x = 162,964.54

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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.