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Finding the Fourth Proportional to 351,954.96, 527,932.14 and 127,262.70

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Solution

The fourth proportional to 351,954.96, 527,932.14 and 127,262.70 is: 190,893.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,954.96 : 527,932.14 = 127,262.70 : x
  2. Step 2: Convert to fraction form
    351,954.96/527,932.14 = 127,262.70/x
  3. Step 3: Cross multiply
    351,954.96x = 527,932.14 × 127,262.70
  4. Step 4: Simplify right side
    351,954.96x = 67,186,069,553.18
  5. Step 5: Solve for x
    x = 67,186,069,553.18/351,954.96
  6. Step 6: Final answer
    x = 190,893.94

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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.