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Finding the Fourth Proportional to 68,373.09, 102,222.46 and 57,959.32

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Solution

The fourth proportional to 68,373.09, 102,222.46 and 57,959.32 is: 86,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,373.09 : 102,222.46 = 57,959.32 : x
  2. Step 2: Convert to fraction form
    68,373.09/102,222.46 = 57,959.32/x
  3. Step 3: Cross multiply
    68,373.09x = 102,222.46 × 57,959.32
  4. Step 4: Simplify right side
    68,373.09x = 5,924,744,270.33
  5. Step 5: Solve for x
    x = 5,924,744,270.33/68,373.09
  6. Step 6: Final answer
    x = 86,653.16

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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.