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Finding the Fourth Proportional to 199,556.66, 299,487.28 and 73,316.54

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Solution

The fourth proportional to 199,556.66, 299,487.28 and 73,316.54 is: 110,030.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,556.66 : 299,487.28 = 73,316.54 : x
  2. Step 2: Convert to fraction form
    199,556.66/299,487.28 = 73,316.54/x
  3. Step 3: Cross multiply
    199,556.66x = 299,487.28 × 73,316.54
  4. Step 4: Simplify right side
    199,556.66x = 21,957,371,143.61
  5. Step 5: Solve for x
    x = 21,957,371,143.61/199,556.66
  6. Step 6: Final answer
    x = 110,030.76

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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.