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Finding the Fourth Proportional to 336.56, 504.88 and 93.12

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Solution

The fourth proportional to 336.56, 504.88 and 93.12 is: 139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.56 : 504.88 = 93.12 : x
  2. Step 2: Convert to fraction form
    336.56/504.88 = 93.12/x
  3. Step 3: Cross multiply
    336.56x = 504.88 × 93.12
  4. Step 4: Simplify right side
    336.56x = 47,014.43
  5. Step 5: Solve for x
    x = 47,014.43/336.56
  6. Step 6: Final answer
    x = 139.69

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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.