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Finding the Fourth Proportional to 214,115.60, 321,097.80 and 73,841.60

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Solution

The fourth proportional to 214,115.60, 321,097.80 and 73,841.60 is: 110,736.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,115.60 : 321,097.80 = 73,841.60 : x
  2. Step 2: Convert to fraction form
    214,115.60/321,097.80 = 73,841.60/x
  3. Step 3: Cross multiply
    214,115.60x = 321,097.80 × 73,841.60
  4. Step 4: Simplify right side
    214,115.60x = 23,710,375,308.48
  5. Step 5: Solve for x
    x = 23,710,375,308.48/214,115.60
  6. Step 6: Final answer
    x = 110,736.33

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1.5x scale

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.