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Finding the Fourth Proportional to 162.63, 224.28 and 116.01

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Solution

The fourth proportional to 162.63, 224.28 and 116.01 is: 159.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.63 : 224.28 = 116.01 : x
  2. Step 2: Convert to fraction form
    162.63/224.28 = 116.01/x
  3. Step 3: Cross multiply
    162.63x = 224.28 × 116.01
  4. Step 4: Simplify right side
    162.63x = 26,018.72
  5. Step 5: Solve for x
    x = 26,018.72/162.63
  6. Step 6: Final answer
    x = 159.99

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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.