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Finding the Fourth Proportional to 350,573.20, 526,043.40 and 161,090.80

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Solution

The fourth proportional to 350,573.20, 526,043.40 and 161,090.80 is: 241,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,573.20 : 526,043.40 = 161,090.80 : x
  2. Step 2: Convert to fraction form
    350,573.20/526,043.40 = 161,090.80/x
  3. Step 3: Cross multiply
    350,573.20x = 526,043.40 × 161,090.80
  4. Step 4: Simplify right side
    350,573.20x = 84,740,752,140.72
  5. Step 5: Solve for x
    x = 84,740,752,140.72/350,573.20
  6. Step 6: Final answer
    x = 241,720.57

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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.