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Finding the Fourth Proportional to 230,849.28, 346,254.48 and 73,054.80

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Solution

The fourth proportional to 230,849.28, 346,254.48 and 73,054.80 is: 109,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,849.28 : 346,254.48 = 73,054.80 : x
  2. Step 2: Convert to fraction form
    230,849.28/346,254.48 = 73,054.80/x
  3. Step 3: Cross multiply
    230,849.28x = 346,254.48 × 73,054.80
  4. Step 4: Simplify right side
    230,849.28x = 25,295,551,785.50
  5. Step 5: Solve for x
    x = 25,295,551,785.50/230,849.28
  6. Step 6: Final answer
    x = 109,576.05

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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.