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Finding the Fourth Proportional to 163,706.02, 225,911.98 and 92,086.02

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Solution

The fourth proportional to 163,706.02, 225,911.98 and 92,086.02 is: 127,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,706.02 : 225,911.98 = 92,086.02 : x
  2. Step 2: Convert to fraction form
    163,706.02/225,911.98 = 92,086.02/x
  3. Step 3: Cross multiply
    163,706.02x = 225,911.98 × 92,086.02
  4. Step 4: Simplify right side
    163,706.02x = 20,803,335,108.52
  5. Step 5: Solve for x
    x = 20,803,335,108.52/163,706.02
  6. Step 6: Final answer
    x = 127,077.40

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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.