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Finding the Fourth Proportional to 202,573.52, 279,537.08 and 111,928.48

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Solution

The fourth proportional to 202,573.52, 279,537.08 and 111,928.48 is: 154,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,573.52 : 279,537.08 = 111,928.48 : x
  2. Step 2: Convert to fraction form
    202,573.52/279,537.08 = 111,928.48/x
  3. Step 3: Cross multiply
    202,573.52x = 279,537.08 × 111,928.48
  4. Step 4: Simplify right side
    202,573.52x = 31,288,160,468.04
  5. Step 5: Solve for x
    x = 31,288,160,468.04/202,573.52
  6. Step 6: Final answer
    x = 154,453.36

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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.