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Finding the Fourth Proportional to 163,630.16, 225,801.37 and 92,005.91

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Solution

The fourth proportional to 163,630.16, 225,801.37 and 92,005.91 is: 126,963.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,630.16 : 225,801.37 = 92,005.91 : x
  2. Step 2: Convert to fraction form
    163,630.16/225,801.37 = 92,005.91/x
  3. Step 3: Cross multiply
    163,630.16x = 225,801.37 × 92,005.91
  4. Step 4: Simplify right side
    163,630.16x = 20,775,060,526.10
  5. Step 5: Solve for x
    x = 20,775,060,526.10/163,630.16
  6. Step 6: Final answer
    x = 126,963.52

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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.