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Finding the Fourth Proportional to 163,662.16, 225,851.64 and 92,042.16

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Solution

The fourth proportional to 163,662.16, 225,851.64 and 92,042.16 is: 127,016.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,662.16 : 225,851.64 = 92,042.16 : x
  2. Step 2: Convert to fraction form
    163,662.16/225,851.64 = 92,042.16/x
  3. Step 3: Cross multiply
    163,662.16x = 225,851.64 × 92,042.16
  4. Step 4: Simplify right side
    163,662.16x = 20,787,872,785.14
  5. Step 5: Solve for x
    x = 20,787,872,785.14/163,662.16
  6. Step 6: Final answer
    x = 127,016.98

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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.