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Finding the Fourth Proportional to 214,014.88, 320,998.02 and 56,255.64

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Solution

The fourth proportional to 214,014.88, 320,998.02 and 56,255.64 is: 84,377.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,014.88 : 320,998.02 = 56,255.64 : x
  2. Step 2: Convert to fraction form
    214,014.88/320,998.02 = 56,255.64/x
  3. Step 3: Cross multiply
    214,014.88x = 320,998.02 × 56,255.64
  4. Step 4: Simplify right side
    214,014.88x = 18,057,949,053.83
  5. Step 5: Solve for x
    x = 18,057,949,053.83/214,014.88
  6. Step 6: Final answer
    x = 84,377.07

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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.