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Finding the Fourth Proportional to 133,426.92, 200,369.40 and 118,467.84

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Solution

The fourth proportional to 133,426.92, 200,369.40 and 118,467.84 is: 177,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,426.92 : 200,369.40 = 118,467.84 : x
  2. Step 2: Convert to fraction form
    133,426.92/200,369.40 = 118,467.84/x
  3. Step 3: Cross multiply
    133,426.92x = 200,369.40 × 118,467.84
  4. Step 4: Simplify right side
    133,426.92x = 23,737,330,020.10
  5. Step 5: Solve for x
    x = 23,737,330,020.10/133,426.92
  6. Step 6: Final answer
    x = 177,905.10

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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.