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Finding the Fourth Proportional to 214,573.96, 321,735.42 and 64,769.32

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Solution

The fourth proportional to 214,573.96, 321,735.42 and 64,769.32 is: 97,116.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,573.96 : 321,735.42 = 64,769.32 : x
  2. Step 2: Convert to fraction form
    214,573.96/321,735.42 = 64,769.32/x
  3. Step 3: Cross multiply
    214,573.96x = 321,735.42 × 64,769.32
  4. Step 4: Simplify right side
    214,573.96x = 20,838,584,373.31
  5. Step 5: Solve for x
    x = 20,838,584,373.31/214,573.96
  6. Step 6: Final answer
    x = 97,116.09

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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.