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Finding the Fourth Proportional to 163,474.20, 245,221.02 and 63,601.20

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Solution

The fourth proportional to 163,474.20, 245,221.02 and 63,601.20 is: 95,405.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,474.20 : 245,221.02 = 63,601.20 : x
  2. Step 2: Convert to fraction form
    163,474.20/245,221.02 = 63,601.20/x
  3. Step 3: Cross multiply
    163,474.20x = 245,221.02 × 63,601.20
  4. Step 4: Simplify right side
    163,474.20x = 15,596,351,137.22
  5. Step 5: Solve for x
    x = 15,596,351,137.22/163,474.20
  6. Step 6: Final answer
    x = 95,405.58

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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.