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Finding the Fourth Proportional to 344,806.74, 517,043.52 and 120,161.88

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Solution

The fourth proportional to 344,806.74, 517,043.52 and 120,161.88 is: 180,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,806.74 : 517,043.52 = 120,161.88 : x
  2. Step 2: Convert to fraction form
    344,806.74/517,043.52 = 120,161.88/x
  3. Step 3: Cross multiply
    344,806.74x = 517,043.52 × 120,161.88
  4. Step 4: Simplify right side
    344,806.74x = 62,128,921,405.02
  5. Step 5: Solve for x
    x = 62,128,921,405.02/344,806.74
  6. Step 6: Final answer
    x = 180,184.76

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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.