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Finding the Fourth Proportional to 151,109.60, 226,599.60 and 76,200.80

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Solution

The fourth proportional to 151,109.60, 226,599.60 and 76,200.80 is: 114,268.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,109.60 : 226,599.60 = 76,200.80 : x
  2. Step 2: Convert to fraction form
    151,109.60/226,599.60 = 76,200.80/x
  3. Step 3: Cross multiply
    151,109.60x = 226,599.60 × 76,200.80
  4. Step 4: Simplify right side
    151,109.60x = 17,267,070,799.68
  5. Step 5: Solve for x
    x = 17,267,070,799.68/151,109.60
  6. Step 6: Final answer
    x = 114,268.52

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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.