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Finding the Fourth Proportional to 96.48, 143.72 and 96

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Solution

The fourth proportional to 96.48, 143.72 and 96 is: 143.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.48 : 143.72 = 96 : x
  2. Step 2: Convert to fraction form
    96.48/143.72 = 96/x
  3. Step 3: Cross multiply
    96.48x = 143.72 × 96
  4. Step 4: Simplify right side
    96.48x = 13,797.12
  5. Step 5: Solve for x
    x = 13,797.12/96.48
  6. Step 6: Final answer
    x = 143.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.