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Finding the Fourth Proportional to 295,203.60, 442,733.40 and 84,819.60

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Solution

The fourth proportional to 295,203.60, 442,733.40 and 84,819.60 is: 127,208.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,203.60 : 442,733.40 = 84,819.60 : x
  2. Step 2: Convert to fraction form
    295,203.60/442,733.40 = 84,819.60/x
  3. Step 3: Cross multiply
    295,203.60x = 442,733.40 × 84,819.60
  4. Step 4: Simplify right side
    295,203.60x = 37,552,469,894.64
  5. Step 5: Solve for x
    x = 37,552,469,894.64/295,203.60
  6. Step 6: Final answer
    x = 127,208.71

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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.