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Finding the Fourth Proportional to 164.99, 247.47 and 62.23

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Solution

The fourth proportional to 164.99, 247.47 and 62.23 is: 93.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.99 : 247.47 = 62.23 : x
  2. Step 2: Convert to fraction form
    164.99/247.47 = 62.23/x
  3. Step 3: Cross multiply
    164.99x = 247.47 × 62.23
  4. Step 4: Simplify right side
    164.99x = 15,398.51
  5. Step 5: Solve for x
    x = 15,398.51/164.99
  6. Step 6: Final answer
    x = 93.33

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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.