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Finding the Fourth Proportional to 199,891.91, 299,628.88 and 94,585.43

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Solution

The fourth proportional to 199,891.91, 299,628.88 and 94,585.43 is: 141,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,891.91 : 299,628.88 = 94,585.43 : x
  2. Step 2: Convert to fraction form
    199,891.91/299,628.88 = 94,585.43/x
  3. Step 3: Cross multiply
    199,891.91x = 299,628.88 × 94,585.43
  4. Step 4: Simplify right side
    199,891.91x = 28,340,526,455.22
  5. Step 5: Solve for x
    x = 28,340,526,455.22/199,891.91
  6. Step 6: Final answer
    x = 141,779.26

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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.