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Finding the Fourth Proportional to 152.98, 229.50 and 44.76

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Solution

The fourth proportional to 152.98, 229.50 and 44.76 is: 67.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.98 : 229.50 = 44.76 : x
  2. Step 2: Convert to fraction form
    152.98/229.50 = 44.76/x
  3. Step 3: Cross multiply
    152.98x = 229.50 × 44.76
  4. Step 4: Simplify right side
    152.98x = 10,272.42
  5. Step 5: Solve for x
    x = 10,272.42/152.98
  6. Step 6: Final answer
    x = 67.15

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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.