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Finding the Fourth Proportional to 202,495.54, 279,438.24 and 111,849.88

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Solution

The fourth proportional to 202,495.54, 279,438.24 and 111,849.88 is: 154,349.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,495.54 : 279,438.24 = 111,849.88 : x
  2. Step 2: Convert to fraction form
    202,495.54/279,438.24 = 111,849.88/x
  3. Step 3: Cross multiply
    202,495.54x = 279,438.24 × 111,849.88
  4. Step 4: Simplify right side
    202,495.54x = 31,255,133,611.41
  5. Step 5: Solve for x
    x = 31,255,133,611.41/202,495.54
  6. Step 6: Final answer
    x = 154,349.74

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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.