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Finding the Fourth Proportional to 174,755.76, 262,134.26 and 53,177.47

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Solution

The fourth proportional to 174,755.76, 262,134.26 and 53,177.47 is: 79,766.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,755.76 : 262,134.26 = 53,177.47 : x
  2. Step 2: Convert to fraction form
    174,755.76/262,134.26 = 53,177.47/x
  3. Step 3: Cross multiply
    174,755.76x = 262,134.26 × 53,177.47
  4. Step 4: Simplify right side
    174,755.76x = 13,939,636,747.12
  5. Step 5: Solve for x
    x = 13,939,636,747.12/174,755.76
  6. Step 6: Final answer
    x = 79,766.39

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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.