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Finding the Fourth Proportional to 358.36, 537.46 and 124.07

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Solution

The fourth proportional to 358.36, 537.46 and 124.07 is: 186.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.36 : 537.46 = 124.07 : x
  2. Step 2: Convert to fraction form
    358.36/537.46 = 124.07/x
  3. Step 3: Cross multiply
    358.36x = 537.46 × 124.07
  4. Step 4: Simplify right side
    358.36x = 66,682.66
  5. Step 5: Solve for x
    x = 66,682.66/358.36
  6. Step 6: Final answer
    x = 186.08

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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.