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Finding the Fourth Proportional to 152.33, 228.47 and 44.11

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Solution

The fourth proportional to 152.33, 228.47 and 44.11 is: 66.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.33 : 228.47 = 44.11 : x
  2. Step 2: Convert to fraction form
    152.33/228.47 = 44.11/x
  3. Step 3: Cross multiply
    152.33x = 228.47 × 44.11
  4. Step 4: Simplify right side
    152.33x = 10,077.81
  5. Step 5: Solve for x
    x = 10,077.81/152.33
  6. Step 6: Final answer
    x = 66.16

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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.