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Finding the Fourth Proportional to 183,427.92, 253,023.02 and 115,336.98

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Solution

The fourth proportional to 183,427.92, 253,023.02 and 115,336.98 is: 159,097.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,427.92 : 253,023.02 = 115,336.98 : x
  2. Step 2: Convert to fraction form
    183,427.92/253,023.02 = 115,336.98/x
  3. Step 3: Cross multiply
    183,427.92x = 253,023.02 × 115,336.98
  4. Step 4: Simplify right side
    183,427.92x = 29,182,910,997.28
  5. Step 5: Solve for x
    x = 29,182,910,997.28/183,427.92
  6. Step 6: Final answer
    x = 159,097.43

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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.