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Finding the Fourth Proportional to 183,877.92, 253,664.72 and 157,305.88

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Solution

The fourth proportional to 183,877.92, 253,664.72 and 157,305.88 is: 217,007.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,877.92 : 253,664.72 = 157,305.88 : x
  2. Step 2: Convert to fraction form
    183,877.92/253,664.72 = 157,305.88/x
  3. Step 3: Cross multiply
    183,877.92x = 253,664.72 × 157,305.88
  4. Step 4: Simplify right side
    183,877.92x = 39,902,952,004.55
  5. Step 5: Solve for x
    x = 39,902,952,004.55/183,877.92
  6. Step 6: Final answer
    x = 217,007.85

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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.