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Finding the Fourth Proportional to 193,483.45, 266,992.51 and 108,584.11

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Solution

The fourth proportional to 193,483.45, 266,992.51 and 108,584.11 is: 149,837.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,483.45 : 266,992.51 = 108,584.11 : x
  2. Step 2: Convert to fraction form
    193,483.45/266,992.51 = 108,584.11/x
  3. Step 3: Cross multiply
    193,483.45x = 266,992.51 × 108,584.11
  4. Step 4: Simplify right side
    193,483.45x = 28,991,144,346.48
  5. Step 5: Solve for x
    x = 28,991,144,346.48/193,483.45
  6. Step 6: Final answer
    x = 149,837.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.