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Finding the Fourth Proportional to 214,528.33, 321,844.52 and 64,759.67

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Solution

The fourth proportional to 214,528.33, 321,844.52 and 64,759.67 is: 97,155.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,528.33 : 321,844.52 = 64,759.67 : x
  2. Step 2: Convert to fraction form
    214,528.33/321,844.52 = 64,759.67/x
  3. Step 3: Cross multiply
    214,528.33x = 321,844.52 × 64,759.67
  4. Step 4: Simplify right side
    214,528.33x = 20,842,544,906.51
  5. Step 5: Solve for x
    x = 20,842,544,906.51/214,528.33
  6. Step 6: Final answer
    x = 97,155.21

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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.