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Finding the Fourth Proportional to 199,274.61, 299,087.37 and 104,572.43

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Solution

The fourth proportional to 199,274.61, 299,087.37 and 104,572.43 is: 156,950.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,274.61 : 299,087.37 = 104,572.43 : x
  2. Step 2: Convert to fraction form
    199,274.61/299,087.37 = 104,572.43/x
  3. Step 3: Cross multiply
    199,274.61x = 299,087.37 × 104,572.43
  4. Step 4: Simplify right side
    199,274.61x = 31,276,293,063.21
  5. Step 5: Solve for x
    x = 31,276,293,063.21/199,274.61
  6. Step 6: Final answer
    x = 156,950.72

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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.