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Finding the Fourth Proportional to 202,369.34, 279,289.53 and 117,481.34

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Solution

The fourth proportional to 202,369.34, 279,289.53 and 117,481.34 is: 162,135.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,369.34 : 279,289.53 = 117,481.34 : x
  2. Step 2: Convert to fraction form
    202,369.34/279,289.53 = 117,481.34/x
  3. Step 3: Cross multiply
    202,369.34x = 279,289.53 × 117,481.34
  4. Step 4: Simplify right side
    202,369.34x = 32,811,308,232.37
  5. Step 5: Solve for x
    x = 32,811,308,232.37/202,369.34
  6. Step 6: Final answer
    x = 162,135.77

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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.