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Finding the Fourth Proportional to 168,653.76, 232,742.56 and 92,174.08

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Solution

The fourth proportional to 168,653.76, 232,742.56 and 92,174.08 is: 127,200.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,653.76 : 232,742.56 = 92,174.08 : x
  2. Step 2: Convert to fraction form
    168,653.76/232,742.56 = 92,174.08/x
  3. Step 3: Cross multiply
    168,653.76x = 232,742.56 × 92,174.08
  4. Step 4: Simplify right side
    168,653.76x = 21,452,831,344.84
  5. Step 5: Solve for x
    x = 21,452,831,344.84/168,653.76
  6. Step 6: Final answer
    x = 127,200.43

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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.