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Finding the Fourth Proportional to 235,029.60, 352,576.80 and 85,233.60

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Solution

The fourth proportional to 235,029.60, 352,576.80 and 85,233.60 is: 127,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,029.60 : 352,576.80 = 85,233.60 : x
  2. Step 2: Convert to fraction form
    235,029.60/352,576.80 = 85,233.60/x
  3. Step 3: Cross multiply
    235,029.60x = 352,576.80 × 85,233.60
  4. Step 4: Simplify right side
    235,029.60x = 30,051,389,940.48
  5. Step 5: Solve for x
    x = 30,051,389,940.48/235,029.60
  6. Step 6: Final answer
    x = 127,862.15

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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.