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Finding the Fourth Proportional to 163,393.57, 245,300.24 and 125,977.41

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Solution

The fourth proportional to 163,393.57, 245,300.24 and 125,977.41 is: 189,127.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,393.57 : 245,300.24 = 125,977.41 : x
  2. Step 2: Convert to fraction form
    163,393.57/245,300.24 = 125,977.41/x
  3. Step 3: Cross multiply
    163,393.57x = 245,300.24 × 125,977.41
  4. Step 4: Simplify right side
    163,393.57x = 30,902,288,907.58
  5. Step 5: Solve for x
    x = 30,902,288,907.58/163,393.57
  6. Step 6: Final answer
    x = 189,127.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.