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Finding the Fourth Proportional to 199,893.15, 299,891.65 and 59,651.77

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Solution

The fourth proportional to 199,893.15, 299,891.65 and 59,651.77 is: 89,493.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,893.15 : 299,891.65 = 59,651.77 : x
  2. Step 2: Convert to fraction form
    199,893.15/299,891.65 = 59,651.77/x
  3. Step 3: Cross multiply
    199,893.15x = 299,891.65 × 59,651.77
  4. Step 4: Simplify right side
    199,893.15x = 17,889,068,068.30
  5. Step 5: Solve for x
    x = 17,889,068,068.30/199,893.15
  6. Step 6: Final answer
    x = 89,493.15

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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.