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Finding the Fourth Proportional to 192,630, 265,829.40 and 125,562

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Solution

The fourth proportional to 192,630, 265,829.40 and 125,562 is: 173,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,630 : 265,829.40 = 125,562 : x
  2. Step 2: Convert to fraction form
    192,630/265,829.40 = 125,562/x
  3. Step 3: Cross multiply
    192,630x = 265,829.40 × 125,562
  4. Step 4: Simplify right side
    192,630x = 33,378,071,122.80
  5. Step 5: Solve for x
    x = 33,378,071,122.80/192,630
  6. Step 6: Final answer
    x = 173,275.56

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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.