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Finding the Fourth Proportional to 222,638.86, 334,122.54 and 163,633.60

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Solution

The fourth proportional to 222,638.86, 334,122.54 and 163,633.60 is: 245,571.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,638.86 : 334,122.54 = 163,633.60 : x
  2. Step 2: Convert to fraction form
    222,638.86/334,122.54 = 163,633.60/x
  3. Step 3: Cross multiply
    222,638.86x = 334,122.54 × 163,633.60
  4. Step 4: Simplify right side
    222,638.86x = 54,673,674,061.34
  5. Step 5: Solve for x
    x = 54,673,674,061.34/222,638.86
  6. Step 6: Final answer
    x = 245,571.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.