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Finding the Fourth Proportional to 214.59, 322.02 and 70.41

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Solution

The fourth proportional to 214.59, 322.02 and 70.41 is: 105.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.59 : 322.02 = 70.41 : x
  2. Step 2: Convert to fraction form
    214.59/322.02 = 70.41/x
  3. Step 3: Cross multiply
    214.59x = 322.02 × 70.41
  4. Step 4: Simplify right side
    214.59x = 22,673.43
  5. Step 5: Solve for x
    x = 22,673.43/214.59
  6. Step 6: Final answer
    x = 105.66

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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.