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Finding the Fourth Proportional to 202,554.35, 279,527.93 and 111,912.41

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Solution

The fourth proportional to 202,554.35, 279,527.93 and 111,912.41 is: 154,440.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,554.35 : 279,527.93 = 111,912.41 : x
  2. Step 2: Convert to fraction form
    202,554.35/279,527.93 = 111,912.41/x
  3. Step 3: Cross multiply
    202,554.35x = 279,527.93 × 111,912.41
  4. Step 4: Simplify right side
    202,554.35x = 31,282,644,308.61
  5. Step 5: Solve for x
    x = 31,282,644,308.61/202,554.35
  6. Step 6: Final answer
    x = 154,440.74

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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.