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Finding the Fourth Proportional to 163,630.62, 245,448.97 and 51,308.33

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Solution

The fourth proportional to 163,630.62, 245,448.97 and 51,308.33 is: 76,963.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,630.62 : 245,448.97 = 51,308.33 : x
  2. Step 2: Convert to fraction form
    163,630.62/245,448.97 = 51,308.33/x
  3. Step 3: Cross multiply
    163,630.62x = 245,448.97 × 51,308.33
  4. Step 4: Simplify right side
    163,630.62x = 12,593,575,395.40
  5. Step 5: Solve for x
    x = 12,593,575,395.40/163,630.62
  6. Step 6: Final answer
    x = 76,963.44

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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.