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Finding the Fourth Proportional to 199,447.86, 299,169.50 and 57,296.63

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Solution

The fourth proportional to 199,447.86, 299,169.50 and 57,296.63 is: 85,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,447.86 : 299,169.50 = 57,296.63 : x
  2. Step 2: Convert to fraction form
    199,447.86/299,169.50 = 57,296.63/x
  3. Step 3: Cross multiply
    199,447.86x = 299,169.50 × 57,296.63
  4. Step 4: Simplify right side
    199,447.86x = 17,141,402,366.45
  5. Step 5: Solve for x
    x = 17,141,402,366.45/199,447.86
  6. Step 6: Final answer
    x = 85,944.28

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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.