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Finding the Fourth Proportional to 151,352.40, 227,028.60 and 135,022.80

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Solution

The fourth proportional to 151,352.40, 227,028.60 and 135,022.80 is: 202,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,352.40 : 227,028.60 = 135,022.80 : x
  2. Step 2: Convert to fraction form
    151,352.40/227,028.60 = 135,022.80/x
  3. Step 3: Cross multiply
    151,352.40x = 227,028.60 × 135,022.80
  4. Step 4: Simplify right side
    151,352.40x = 30,654,037,252.08
  5. Step 5: Solve for x
    x = 30,654,037,252.08/151,352.40
  6. Step 6: Final answer
    x = 202,534.20

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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.