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Finding the Fourth Proportional to 333,124.56, 499,682.34 and 80,402.88

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Solution

The fourth proportional to 333,124.56, 499,682.34 and 80,402.88 is: 120,603.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,124.56 : 499,682.34 = 80,402.88 : x
  2. Step 2: Convert to fraction form
    333,124.56/499,682.34 = 80,402.88/x
  3. Step 3: Cross multiply
    333,124.56x = 499,682.34 × 80,402.88
  4. Step 4: Simplify right side
    333,124.56x = 40,175,899,221.14
  5. Step 5: Solve for x
    x = 40,175,899,221.14/333,124.56
  6. Step 6: Final answer
    x = 120,603.23

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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.