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Finding the Fourth Proportional to 133,814.80, 200,722.20 and 35,318.80

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Solution

The fourth proportional to 133,814.80, 200,722.20 and 35,318.80 is: 52,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,814.80 : 200,722.20 = 35,318.80 : x
  2. Step 2: Convert to fraction form
    133,814.80/200,722.20 = 35,318.80/x
  3. Step 3: Cross multiply
    133,814.80x = 200,722.20 × 35,318.80
  4. Step 4: Simplify right side
    133,814.80x = 7,089,267,237.36
  5. Step 5: Solve for x
    x = 7,089,267,237.36/133,814.80
  6. Step 6: Final answer
    x = 52,978.20

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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.