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Finding the Fourth Proportional to 182,857.78, 274,286.70 and 77,602.96

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Solution

The fourth proportional to 182,857.78, 274,286.70 and 77,602.96 is: 116,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,857.78 : 274,286.70 = 77,602.96 : x
  2. Step 2: Convert to fraction form
    182,857.78/274,286.70 = 77,602.96/x
  3. Step 3: Cross multiply
    182,857.78x = 274,286.70 × 77,602.96
  4. Step 4: Simplify right side
    182,857.78x = 21,285,459,808.63
  5. Step 5: Solve for x
    x = 21,285,459,808.63/182,857.78
  6. Step 6: Final answer
    x = 116,404.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.