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Finding the Fourth Proportional to 333.24, 499.80 and 102.06

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Solution

The fourth proportional to 333.24, 499.80 and 102.06 is: 153.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.24 : 499.80 = 102.06 : x
  2. Step 2: Convert to fraction form
    333.24/499.80 = 102.06/x
  3. Step 3: Cross multiply
    333.24x = 499.80 × 102.06
  4. Step 4: Simplify right side
    333.24x = 51,009.59
  5. Step 5: Solve for x
    x = 51,009.59/333.24
  6. Step 6: Final answer
    x = 153.07

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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.