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Finding the Fourth Proportional to 152.03, 228.50 and 150.21

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Solution

The fourth proportional to 152.03, 228.50 and 150.21 is: 225.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.03 : 228.50 = 150.21 : x
  2. Step 2: Convert to fraction form
    152.03/228.50 = 150.21/x
  3. Step 3: Cross multiply
    152.03x = 228.50 × 150.21
  4. Step 4: Simplify right side
    152.03x = 34,322.23
  5. Step 5: Solve for x
    x = 34,322.23/152.03
  6. Step 6: Final answer
    x = 225.77

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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.