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Finding the Fourth Proportional to 152, 228.01 and 144.11

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Solution

The fourth proportional to 152, 228.01 and 144.11 is: 216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152 : 228.01 = 144.11 : x
  2. Step 2: Convert to fraction form
    152/228.01 = 144.11/x
  3. Step 3: Cross multiply
    152x = 228.01 × 144.11
  4. Step 4: Simplify right side
    152x = 32,858.52
  5. Step 5: Solve for x
    x = 32,858.52/152
  6. Step 6: Final answer
    x = 216.17

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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.