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Finding the Fourth Proportional to 303,799.92, 455,698.14 and 123,884.64

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Solution

The fourth proportional to 303,799.92, 455,698.14 and 123,884.64 is: 185,826.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,799.92 : 455,698.14 = 123,884.64 : x
  2. Step 2: Convert to fraction form
    303,799.92/455,698.14 = 123,884.64/x
  3. Step 3: Cross multiply
    303,799.92x = 455,698.14 × 123,884.64
  4. Step 4: Simplify right side
    303,799.92x = 56,454,000,022.57
  5. Step 5: Solve for x
    x = 56,454,000,022.57/303,799.92
  6. Step 6: Final answer
    x = 185,826.25

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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.