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Finding the Fourth Proportional to 146,625, 202,343.58 and 79,557

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Solution

The fourth proportional to 146,625, 202,343.58 and 79,557 is: 109,789.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,625 : 202,343.58 = 79,557 : x
  2. Step 2: Convert to fraction form
    146,625/202,343.58 = 79,557/x
  3. Step 3: Cross multiply
    146,625x = 202,343.58 × 79,557
  4. Step 4: Simplify right side
    146,625x = 16,097,848,194.06
  5. Step 5: Solve for x
    x = 16,097,848,194.06/146,625
  6. Step 6: Final answer
    x = 109,789.25

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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.