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Finding the Fourth Proportional to 214,398.04, 321,643.50 and 64,625.80

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Solution

The fourth proportional to 214,398.04, 321,643.50 and 64,625.80 is: 96,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,398.04 : 321,643.50 = 64,625.80 : x
  2. Step 2: Convert to fraction form
    214,398.04/321,643.50 = 64,625.80/x
  3. Step 3: Cross multiply
    214,398.04x = 321,643.50 × 64,625.80
  4. Step 4: Simplify right side
    214,398.04x = 20,786,468,502.30
  5. Step 5: Solve for x
    x = 20,786,468,502.30/214,398.04
  6. Step 6: Final answer
    x = 96,952.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.