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Finding the Fourth Proportional to 214,573.39, 321,890.16 and 64,796.70

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Solution

The fourth proportional to 214,573.39, 321,890.16 and 64,796.70 is: 97,204.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,573.39 : 321,890.16 = 64,796.70 : x
  2. Step 2: Convert to fraction form
    214,573.39/321,890.16 = 64,796.70/x
  3. Step 3: Cross multiply
    214,573.39x = 321,890.16 × 64,796.70
  4. Step 4: Simplify right side
    214,573.39x = 20,857,420,130.47
  5. Step 5: Solve for x
    x = 20,857,420,130.47/214,573.39
  6. Step 6: Final answer
    x = 97,204.13

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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.