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Finding the Fourth Proportional to 218,173.70, 327,567.09 and 111,634.07

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Solution

The fourth proportional to 218,173.70, 327,567.09 and 111,634.07 is: 167,607.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,173.70 : 327,567.09 = 111,634.07 : x
  2. Step 2: Convert to fraction form
    218,173.70/327,567.09 = 111,634.07/x
  3. Step 3: Cross multiply
    218,173.70x = 327,567.09 × 111,634.07
  4. Step 4: Simplify right side
    218,173.70x = 36,567,645,607.61
  5. Step 5: Solve for x
    x = 36,567,645,607.61/218,173.70
  6. Step 6: Final answer
    x = 167,607.94

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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.