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Finding the Fourth Proportional to 117,003.89, 175,346.80 and 49,479.80

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Solution

The fourth proportional to 117,003.89, 175,346.80 and 49,479.80 is: 74,152.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,003.89 : 175,346.80 = 49,479.80 : x
  2. Step 2: Convert to fraction form
    117,003.89/175,346.80 = 49,479.80/x
  3. Step 3: Cross multiply
    117,003.89x = 175,346.80 × 49,479.80
  4. Step 4: Simplify right side
    117,003.89x = 8,676,123,594.21
  5. Step 5: Solve for x
    x = 8,676,123,594.21/117,003.89
  6. Step 6: Final answer
    x = 74,152.44

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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.