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Finding the Fourth Proportional to 157.64, 236.47 and 96.04

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Solution

The fourth proportional to 157.64, 236.47 and 96.04 is: 144.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157.64 : 236.47 = 96.04 : x
  2. Step 2: Convert to fraction form
    157.64/236.47 = 96.04/x
  3. Step 3: Cross multiply
    157.64x = 236.47 × 96.04
  4. Step 4: Simplify right side
    157.64x = 22,710.81
  5. Step 5: Solve for x
    x = 22,710.81/157.64
  6. Step 6: Final answer
    x = 144.07

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Why These Related Problems?

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