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Finding the Fourth Proportional to 141.15, 211.56 and 58.93

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Solution

The fourth proportional to 141.15, 211.56 and 58.93 is: 88.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.15 : 211.56 = 58.93 : x
  2. Step 2: Convert to fraction form
    141.15/211.56 = 58.93/x
  3. Step 3: Cross multiply
    141.15x = 211.56 × 58.93
  4. Step 4: Simplify right side
    141.15x = 12,467.23
  5. Step 5: Solve for x
    x = 12,467.23/141.15
  6. Step 6: Final answer
    x = 88.33

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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.