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Finding the Fourth Proportional to 146,884.88, 202,702.41 and 79,816.88

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Solution

The fourth proportional to 146,884.88, 202,702.41 and 79,816.88 is: 110,147.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,884.88 : 202,702.41 = 79,816.88 : x
  2. Step 2: Convert to fraction form
    146,884.88/202,702.41 = 79,816.88/x
  3. Step 3: Cross multiply
    146,884.88x = 202,702.41 × 79,816.88
  4. Step 4: Simplify right side
    146,884.88x = 16,179,072,921.17
  5. Step 5: Solve for x
    x = 16,179,072,921.17/146,884.88
  6. Step 6: Final answer
    x = 110,147.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.