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Finding the Fourth Proportional to 224,104.60, 309,260.22 and 122,130.88

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Solution

The fourth proportional to 224,104.60, 309,260.22 and 122,130.88 is: 168,538.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,104.60 : 309,260.22 = 122,130.88 : x
  2. Step 2: Convert to fraction form
    224,104.60/309,260.22 = 122,130.88/x
  3. Step 3: Cross multiply
    224,104.60x = 309,260.22 × 122,130.88
  4. Step 4: Simplify right side
    224,104.60x = 37,770,222,817.59
  5. Step 5: Solve for x
    x = 37,770,222,817.59/224,104.60
  6. Step 6: Final answer
    x = 168,538.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.