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Finding the Fourth Proportional to 163,598.48, 225,118.68 and 136,654.64

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Solution

The fourth proportional to 163,598.48, 225,118.68 and 136,654.64 is: 188,042.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,598.48 : 225,118.68 = 136,654.64 : x
  2. Step 2: Convert to fraction form
    163,598.48/225,118.68 = 136,654.64/x
  3. Step 3: Cross multiply
    163,598.48x = 225,118.68 × 136,654.64
  4. Step 4: Simplify right side
    163,598.48x = 30,763,512,172.68
  5. Step 5: Solve for x
    x = 30,763,512,172.68/163,598.48
  6. Step 6: Final answer
    x = 188,042.78

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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.