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Finding the Fourth Proportional to 177,367.56, 265,820.31 and 72,063.42

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Solution

The fourth proportional to 177,367.56, 265,820.31 and 72,063.42 is: 108,001.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,367.56 : 265,820.31 = 72,063.42 : x
  2. Step 2: Convert to fraction form
    177,367.56/265,820.31 = 72,063.42/x
  3. Step 3: Cross multiply
    177,367.56x = 265,820.31 × 72,063.42
  4. Step 4: Simplify right side
    177,367.56x = 19,155,921,345.15
  5. Step 5: Solve for x
    x = 19,155,921,345.15/177,367.56
  6. Step 6: Final answer
    x = 108,001.27

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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.