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Finding the Fourth Proportional to 223.13, 334.70 and 58.59

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Solution

The fourth proportional to 223.13, 334.70 and 58.59 is: 87.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.13 : 334.70 = 58.59 : x
  2. Step 2: Convert to fraction form
    223.13/334.70 = 58.59/x
  3. Step 3: Cross multiply
    223.13x = 334.70 × 58.59
  4. Step 4: Simplify right side
    223.13x = 19,610.07
  5. Step 5: Solve for x
    x = 19,610.07/223.13
  6. Step 6: Final answer
    x = 87.89

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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.