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Finding the Fourth Proportional to 199,327.68, 299,100.87 and 80,967.24

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Solution

The fourth proportional to 199,327.68, 299,100.87 and 80,967.24 is: 121,495.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,327.68 : 299,100.87 = 80,967.24 : x
  2. Step 2: Convert to fraction form
    199,327.68/299,100.87 = 80,967.24/x
  3. Step 3: Cross multiply
    199,327.68x = 299,100.87 × 80,967.24
  4. Step 4: Simplify right side
    199,327.68x = 24,217,371,925.50
  5. Step 5: Solve for x
    x = 24,217,371,925.50/199,327.68
  6. Step 6: Final answer
    x = 121,495.28

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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.