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Finding the Fourth Proportional to 179,978.22, 248,400.27 and 104,570.46

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Solution

The fourth proportional to 179,978.22, 248,400.27 and 104,570.46 is: 144,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,978.22 : 248,400.27 = 104,570.46 : x
  2. Step 2: Convert to fraction form
    179,978.22/248,400.27 = 104,570.46/x
  3. Step 3: Cross multiply
    179,978.22x = 248,400.27 × 104,570.46
  4. Step 4: Simplify right side
    179,978.22x = 25,975,330,498.02
  5. Step 5: Solve for x
    x = 25,975,330,498.02/179,978.22
  6. Step 6: Final answer
    x = 144,324.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.