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Finding the Fourth Proportional to 163,203.61, 244,608.54 and 84,274.81

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Solution

The fourth proportional to 163,203.61, 244,608.54 and 84,274.81 is: 126,310.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,203.61 : 244,608.54 = 84,274.81 : x
  2. Step 2: Convert to fraction form
    163,203.61/244,608.54 = 84,274.81/x
  3. Step 3: Cross multiply
    163,203.61x = 244,608.54 × 84,274.81
  4. Step 4: Simplify right side
    163,203.61x = 20,614,338,232.88
  5. Step 5: Solve for x
    x = 20,614,338,232.88/163,203.61
  6. Step 6: Final answer
    x = 126,310.55

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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.