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Finding the Fourth Proportional to 218,089.10, 327,133.65 and 218,089.10

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Solution

The fourth proportional to 218,089.10, 327,133.65 and 218,089.10 is: 327,133.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,089.10 : 327,133.65 = 218,089.10 : x
  2. Step 2: Convert to fraction form
    218,089.10/327,133.65 = 218,089.10/x
  3. Step 3: Cross multiply
    218,089.10x = 327,133.65 × 218,089.10
  4. Step 4: Simplify right side
    218,089.10x = 71,344,283,308.22
  5. Step 5: Solve for x
    x = 71,344,283,308.22/218,089.10
  6. Step 6: Final answer
    x = 327,133.65

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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.