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Finding the Fourth Proportional to 202,308.20, 303,332.70 and 84,026.60

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Solution

The fourth proportional to 202,308.20, 303,332.70 and 84,026.60 is: 125,986.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,308.20 : 303,332.70 = 84,026.60 : x
  2. Step 2: Convert to fraction form
    202,308.20/303,332.70 = 84,026.60/x
  3. Step 3: Cross multiply
    202,308.20x = 303,332.70 × 84,026.60
  4. Step 4: Simplify right side
    202,308.20x = 25,488,015,449.82
  5. Step 5: Solve for x
    x = 25,488,015,449.82/202,308.20
  6. Step 6: Final answer
    x = 125,986.07

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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.