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Finding the Fourth Proportional to 193,483.34, 266,992.36 and 108,584

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Solution

The fourth proportional to 193,483.34, 266,992.36 and 108,584 is: 149,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,483.34 : 266,992.36 = 108,584 : x
  2. Step 2: Convert to fraction form
    193,483.34/266,992.36 = 108,584/x
  3. Step 3: Cross multiply
    193,483.34x = 266,992.36 × 108,584
  4. Step 4: Simplify right side
    193,483.34x = 28,991,098,418.24
  5. Step 5: Solve for x
    x = 28,991,098,418.24/193,483.34
  6. Step 6: Final answer
    x = 149,837.70

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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.