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Finding the Fourth Proportional to 203,554.50, 280,917.93 and 117,529.22

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Solution

The fourth proportional to 203,554.50, 280,917.93 and 117,529.22 is: 162,197.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,554.50 : 280,917.93 = 117,529.22 : x
  2. Step 2: Convert to fraction form
    203,554.50/280,917.93 = 117,529.22/x
  3. Step 3: Cross multiply
    203,554.50x = 280,917.93 × 117,529.22
  4. Step 4: Simplify right side
    203,554.50x = 33,016,065,196.91
  5. Step 5: Solve for x
    x = 33,016,065,196.91/203,554.50
  6. Step 6: Final answer
    x = 162,197.67

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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.