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Finding the Fourth Proportional to 312.48, 468.57 and 96.01

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Solution

The fourth proportional to 312.48, 468.57 and 96.01 is: 143.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    312.48 : 468.57 = 96.01 : x
  2. Step 2: Convert to fraction form
    312.48/468.57 = 96.01/x
  3. Step 3: Cross multiply
    312.48x = 468.57 × 96.01
  4. Step 4: Simplify right side
    312.48x = 44,987.41
  5. Step 5: Solve for x
    x = 44,987.41/312.48
  6. Step 6: Final answer
    x = 143.97

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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.