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Finding the Fourth Proportional to 101,080.20, 151,498.80 and 41,885.40

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Solution

The fourth proportional to 101,080.20, 151,498.80 and 41,885.40 is: 62,777.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,080.20 : 151,498.80 = 41,885.40 : x
  2. Step 2: Convert to fraction form
    101,080.20/151,498.80 = 41,885.40/x
  3. Step 3: Cross multiply
    101,080.20x = 151,498.80 × 41,885.40
  4. Step 4: Simplify right side
    101,080.20x = 6,345,587,837.52
  5. Step 5: Solve for x
    x = 6,345,587,837.52/101,080.20
  6. Step 6: Final answer
    x = 62,777.75

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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.