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Finding the Fourth Proportional to 265,922.60, 398,542.62 and 116,122.28

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Solution

The fourth proportional to 265,922.60, 398,542.62 and 116,122.28 is: 174,034.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,922.60 : 398,542.62 = 116,122.28 : x
  2. Step 2: Convert to fraction form
    265,922.60/398,542.62 = 116,122.28/x
  3. Step 3: Cross multiply
    265,922.60x = 398,542.62 × 116,122.28
  4. Step 4: Simplify right side
    265,922.60x = 46,279,677,711.57
  5. Step 5: Solve for x
    x = 46,279,677,711.57/265,922.60
  6. Step 6: Final answer
    x = 174,034.39

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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.