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Finding the Fourth Proportional to 177,367.89, 265,820.81 and 72,063.75

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Solution

The fourth proportional to 177,367.89, 265,820.81 and 72,063.75 is: 108,001.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,367.89 : 265,820.81 = 72,063.75 : x
  2. Step 2: Convert to fraction form
    177,367.89/265,820.81 = 72,063.75/x
  3. Step 3: Cross multiply
    177,367.89x = 265,820.81 × 72,063.75
  4. Step 4: Simplify right side
    177,367.89x = 19,156,044,036.32
  5. Step 5: Solve for x
    x = 19,156,044,036.32/177,367.89
  6. Step 6: Final answer
    x = 108,001.76

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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.