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Finding the Fourth Proportional to 163,706.52, 225,851.04 and 92,070.12

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Solution

The fourth proportional to 163,706.52, 225,851.04 and 92,070.12 is: 127,020.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,706.52 : 225,851.04 = 92,070.12 : x
  2. Step 2: Convert to fraction form
    163,706.52/225,851.04 = 92,070.12/x
  3. Step 3: Cross multiply
    163,706.52x = 225,851.04 × 92,070.12
  4. Step 4: Simplify right side
    163,706.52x = 20,794,132,354.92
  5. Step 5: Solve for x
    x = 20,794,132,354.92/163,706.52
  6. Step 6: Final answer
    x = 127,020.80

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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.