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Finding the Fourth Proportional to 177,081.78, 265,700.93 and 92,821.80

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Solution

The fourth proportional to 177,081.78, 265,700.93 and 92,821.80 is: 139,273.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,081.78 : 265,700.93 = 92,821.80 : x
  2. Step 2: Convert to fraction form
    177,081.78/265,700.93 = 92,821.80/x
  3. Step 3: Cross multiply
    177,081.78x = 265,700.93 × 92,821.80
  4. Step 4: Simplify right side
    177,081.78x = 24,662,838,584.27
  5. Step 5: Solve for x
    x = 24,662,838,584.27/177,081.78
  6. Step 6: Final answer
    x = 139,273.72

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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.