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Finding the Fourth Proportional to 199,960.80, 299,974.80 and 59,733.60

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Solution

The fourth proportional to 199,960.80, 299,974.80 and 59,733.60 is: 89,610.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,960.80 : 299,974.80 = 59,733.60 : x
  2. Step 2: Convert to fraction form
    199,960.80/299,974.80 = 59,733.60/x
  3. Step 3: Cross multiply
    199,960.80x = 299,974.80 × 59,733.60
  4. Step 4: Simplify right side
    199,960.80x = 17,918,574,713.28
  5. Step 5: Solve for x
    x = 17,918,574,713.28/199,960.80
  6. Step 6: Final answer
    x = 89,610.44

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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.