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Finding the Fourth Proportional to 174,987.55, 262,481.10 and 55,055.10

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Solution

The fourth proportional to 174,987.55, 262,481.10 and 55,055.10 is: 82,582.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,987.55 : 262,481.10 = 55,055.10 : x
  2. Step 2: Convert to fraction form
    174,987.55/262,481.10 = 55,055.10/x
  3. Step 3: Cross multiply
    174,987.55x = 262,481.10 × 55,055.10
  4. Step 4: Simplify right side
    174,987.55x = 14,450,923,208.61
  5. Step 5: Solve for x
    x = 14,450,923,208.61/174,987.55
  6. Step 6: Final answer
    x = 82,582.58

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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.