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Finding the Fourth Proportional to 333,855.02, 500,800.77 and 84,539.18

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Solution

The fourth proportional to 333,855.02, 500,800.77 and 84,539.18 is: 126,813.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,855.02 : 500,800.77 = 84,539.18 : x
  2. Step 2: Convert to fraction form
    333,855.02/500,800.77 = 84,539.18/x
  3. Step 3: Cross multiply
    333,855.02x = 500,800.77 × 84,539.18
  4. Step 4: Simplify right side
    333,855.02x = 42,337,286,439.17
  5. Step 5: Solve for x
    x = 42,337,286,439.17/333,855.02
  6. Step 6: Final answer
    x = 126,813.39

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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.