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Finding the Fourth Proportional to 198,054.88, 296,963.70 and 63,060.64

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Solution

The fourth proportional to 198,054.88, 296,963.70 and 63,060.64 is: 94,553.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,054.88 : 296,963.70 = 63,060.64 : x
  2. Step 2: Convert to fraction form
    198,054.88/296,963.70 = 63,060.64/x
  3. Step 3: Cross multiply
    198,054.88x = 296,963.70 × 63,060.64
  4. Step 4: Simplify right side
    198,054.88x = 18,726,720,978.77
  5. Step 5: Solve for x
    x = 18,726,720,978.77/198,054.88
  6. Step 6: Final answer
    x = 94,553.19

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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.