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Finding the Fourth Proportional to 333,858.52, 500,806.02 and 84,542.68

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Solution

The fourth proportional to 333,858.52, 500,806.02 and 84,542.68 is: 126,818.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,858.52 : 500,806.02 = 84,542.68 : x
  2. Step 2: Convert to fraction form
    333,858.52/500,806.02 = 84,542.68/x
  3. Step 3: Cross multiply
    333,858.52x = 500,806.02 × 84,542.68
  4. Step 4: Simplify right side
    333,858.52x = 42,339,483,090.93
  5. Step 5: Solve for x
    x = 42,339,483,090.93/333,858.52
  6. Step 6: Final answer
    x = 126,818.64

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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.