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Finding the Fourth Proportional to 162.10, 242.94 and 134.98

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Solution

The fourth proportional to 162.10, 242.94 and 134.98 is: 202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.10 : 242.94 = 134.98 : x
  2. Step 2: Convert to fraction form
    162.10/242.94 = 134.98/x
  3. Step 3: Cross multiply
    162.10x = 242.94 × 134.98
  4. Step 4: Simplify right side
    162.10x = 32,792.04
  5. Step 5: Solve for x
    x = 32,792.04/162.10
  6. Step 6: Final answer
    x = 202.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.