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Finding the Fourth Proportional to 198,051.88, 296,959.20 and 63,057.64

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Solution

The fourth proportional to 198,051.88, 296,959.20 and 63,057.64 is: 94,548.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,051.88 : 296,959.20 = 63,057.64 : x
  2. Step 2: Convert to fraction form
    198,051.88/296,959.20 = 63,057.64/x
  3. Step 3: Cross multiply
    198,051.88x = 296,959.20 × 63,057.64
  4. Step 4: Simplify right side
    198,051.88x = 18,725,546,328.29
  5. Step 5: Solve for x
    x = 18,725,546,328.29/198,051.88
  6. Step 6: Final answer
    x = 94,548.69

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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.