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Finding the Fourth Proportional to 163,706.34, 225,889.95 and 92,103.96

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Solution

The fourth proportional to 163,706.34, 225,889.95 and 92,103.96 is: 127,089.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,706.34 : 225,889.95 = 92,103.96 : x
  2. Step 2: Convert to fraction form
    163,706.34/225,889.95 = 92,103.96/x
  3. Step 3: Cross multiply
    163,706.34x = 225,889.95 × 92,103.96
  4. Step 4: Simplify right side
    163,706.34x = 20,805,358,919.20
  5. Step 5: Solve for x
    x = 20,805,358,919.20/163,706.34
  6. Step 6: Final answer
    x = 127,089.51

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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.