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Finding the Fourth Proportional to 266,662.50, 367,999.98 and 159,212.48

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Solution

The fourth proportional to 266,662.50, 367,999.98 and 159,212.48 is: 219,716.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,662.50 : 367,999.98 = 159,212.48 : x
  2. Step 2: Convert to fraction form
    266,662.50/367,999.98 = 159,212.48/x
  3. Step 3: Cross multiply
    266,662.50x = 367,999.98 × 159,212.48
  4. Step 4: Simplify right side
    266,662.50x = 58,590,189,455.75
  5. Step 5: Solve for x
    x = 58,590,189,455.75/266,662.50
  6. Step 6: Final answer
    x = 219,716.64

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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.