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Finding the Fourth Proportional to 163,677.64, 245,195.82 and 84,843.88

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Solution

The fourth proportional to 163,677.64, 245,195.82 and 84,843.88 is: 127,099.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,677.64 : 245,195.82 = 84,843.88 : x
  2. Step 2: Convert to fraction form
    163,677.64/245,195.82 = 84,843.88/x
  3. Step 3: Cross multiply
    163,677.64x = 245,195.82 × 84,843.88
  4. Step 4: Simplify right side
    163,677.64x = 20,803,364,728.58
  5. Step 5: Solve for x
    x = 20,803,364,728.58/163,677.64
  6. Step 6: Final answer
    x = 127,099.61

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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.