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Finding the Fourth Proportional to 225,375.51, 338,080.85 and 65,454.06

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Solution

The fourth proportional to 225,375.51, 338,080.85 and 65,454.06 is: 98,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,375.51 : 338,080.85 = 65,454.06 : x
  2. Step 2: Convert to fraction form
    225,375.51/338,080.85 = 65,454.06/x
  3. Step 3: Cross multiply
    225,375.51x = 338,080.85 × 65,454.06
  4. Step 4: Simplify right side
    225,375.51x = 22,128,764,240.75
  5. Step 5: Solve for x
    x = 22,128,764,240.75/225,375.51
  6. Step 6: Final answer
    x = 98,186.20

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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.