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Finding the Fourth Proportional to 351,992.76, 527,755.89 and 127,323.66

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Solution

The fourth proportional to 351,992.76, 527,755.89 and 127,323.66 is: 190,901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,992.76 : 527,755.89 = 127,323.66 : x
  2. Step 2: Convert to fraction form
    351,992.76/527,755.89 = 127,323.66/x
  3. Step 3: Cross multiply
    351,992.76x = 527,755.89 × 127,323.66
  4. Step 4: Simplify right side
    351,992.76x = 67,195,811,501.36
  5. Step 5: Solve for x
    x = 67,195,811,501.36/351,992.76
  6. Step 6: Final answer
    x = 190,901.12

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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.