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Finding the Fourth Proportional to 173,092.60, 259,663.20 and 54,751.60

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Solution

The fourth proportional to 173,092.60, 259,663.20 and 54,751.60 is: 82,135.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,092.60 : 259,663.20 = 54,751.60 : x
  2. Step 2: Convert to fraction form
    173,092.60/259,663.20 = 54,751.60/x
  3. Step 3: Cross multiply
    173,092.60x = 259,663.20 × 54,751.60
  4. Step 4: Simplify right side
    173,092.60x = 14,216,975,661.12
  5. Step 5: Solve for x
    x = 14,216,975,661.12/173,092.60
  6. Step 6: Final answer
    x = 82,135.09

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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.