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Finding the Fourth Proportional to 202,810.41, 279,902.69 and 117,927.46

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Solution

The fourth proportional to 202,810.41, 279,902.69 and 117,927.46 is: 162,754.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,810.41 : 279,902.69 = 117,927.46 : x
  2. Step 2: Convert to fraction form
    202,810.41/279,902.69 = 117,927.46/x
  3. Step 3: Cross multiply
    202,810.41x = 279,902.69 × 117,927.46
  4. Step 4: Simplify right side
    202,810.41x = 33,008,213,278.87
  5. Step 5: Solve for x
    x = 33,008,213,278.87/202,810.41
  6. Step 6: Final answer
    x = 162,754.04

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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.