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Finding the Fourth Proportional to 163,161.60, 225,392.40 and 125,914.56

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Solution

The fourth proportional to 163,161.60, 225,392.40 and 125,914.56 is: 173,939.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,161.60 : 225,392.40 = 125,914.56 : x
  2. Step 2: Convert to fraction form
    163,161.60/225,392.40 = 125,914.56/x
  3. Step 3: Cross multiply
    163,161.60x = 225,392.40 × 125,914.56
  4. Step 4: Simplify right side
    163,161.60x = 28,380,184,873.34
  5. Step 5: Solve for x
    x = 28,380,184,873.34/163,161.60
  6. Step 6: Final answer
    x = 173,939.12

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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.