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Finding the Fourth Proportional to 303,773.01, 455,657.86 and 123,857.73

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Solution

The fourth proportional to 303,773.01, 455,657.86 and 123,857.73 is: 185,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,773.01 : 455,657.86 = 123,857.73 : x
  2. Step 2: Convert to fraction form
    303,773.01/455,657.86 = 123,857.73/x
  3. Step 3: Cross multiply
    303,773.01x = 455,657.86 × 123,857.73
  4. Step 4: Simplify right side
    303,773.01x = 56,436,749,980.97
  5. Step 5: Solve for x
    x = 56,436,749,980.97/303,773.01
  6. Step 6: Final answer
    x = 185,785.93

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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.