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Finding the Fourth Proportional to 162.54, 224.23 and 93.50

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Solution

The fourth proportional to 162.54, 224.23 and 93.50 is: 128.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.54 : 224.23 = 93.50 : x
  2. Step 2: Convert to fraction form
    162.54/224.23 = 93.50/x
  3. Step 3: Cross multiply
    162.54x = 224.23 × 93.50
  4. Step 4: Simplify right side
    162.54x = 20,965.51
  5. Step 5: Solve for x
    x = 20,965.51/162.54
  6. Step 6: Final answer
    x = 128.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.