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Finding the Fourth Proportional to 358.07, 537 and 114.54

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Solution

The fourth proportional to 358.07, 537 and 114.54 is: 171.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.07 : 537 = 114.54 : x
  2. Step 2: Convert to fraction form
    358.07/537 = 114.54/x
  3. Step 3: Cross multiply
    358.07x = 537 × 114.54
  4. Step 4: Simplify right side
    358.07x = 61,507.98
  5. Step 5: Solve for x
    x = 61,507.98/358.07
  6. Step 6: Final answer
    x = 171.78

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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.