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Finding the Fourth Proportional to 145.95, 201.04 and 113.14

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Solution

The fourth proportional to 145.95, 201.04 and 113.14 is: 155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145.95 : 201.04 = 113.14 : x
  2. Step 2: Convert to fraction form
    145.95/201.04 = 113.14/x
  3. Step 3: Cross multiply
    145.95x = 201.04 × 113.14
  4. Step 4: Simplify right side
    145.95x = 22,745.67
  5. Step 5: Solve for x
    x = 22,745.67/145.95
  6. Step 6: Final answer
    x = 155.85

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