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Finding the Fourth Proportional to 199,497.68, 299,295.30 and 66,377.60

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Solution

The fourth proportional to 199,497.68, 299,295.30 and 66,377.60 is: 99,582.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,497.68 : 299,295.30 = 66,377.60 : x
  2. Step 2: Convert to fraction form
    199,497.68/299,295.30 = 66,377.60/x
  3. Step 3: Cross multiply
    199,497.68x = 299,295.30 × 66,377.60
  4. Step 4: Simplify right side
    199,497.68x = 19,866,503,705.28
  5. Step 5: Solve for x
    x = 19,866,503,705.28/199,497.68
  6. Step 6: Final answer
    x = 99,582.63

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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.