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Finding the Fourth Proportional to 114.64, 157.53 and 96.18

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Solution

The fourth proportional to 114.64, 157.53 and 96.18 is: 132.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.64 : 157.53 = 96.18 : x
  2. Step 2: Convert to fraction form
    114.64/157.53 = 96.18/x
  3. Step 3: Cross multiply
    114.64x = 157.53 × 96.18
  4. Step 4: Simplify right side
    114.64x = 15,151.24
  5. Step 5: Solve for x
    x = 15,151.24/114.64
  6. Step 6: Final answer
    x = 132.16

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.