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Finding the Fourth Proportional to 358.10, 537.08 and 114.50

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Solution

The fourth proportional to 358.10, 537.08 and 114.50 is: 171.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.10 : 537.08 = 114.50 : x
  2. Step 2: Convert to fraction form
    358.10/537.08 = 114.50/x
  3. Step 3: Cross multiply
    358.10x = 537.08 × 114.50
  4. Step 4: Simplify right side
    358.10x = 61,495.66
  5. Step 5: Solve for x
    x = 61,495.66/358.10
  6. Step 6: Final answer
    x = 171.73

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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.