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Finding the Fourth Proportional to 193,366.92, 290,058.24 and 92,112.93

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Solution

The fourth proportional to 193,366.92, 290,058.24 and 92,112.93 is: 138,173.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,366.92 : 290,058.24 = 92,112.93 : x
  2. Step 2: Convert to fraction form
    193,366.92/290,058.24 = 92,112.93/x
  3. Step 3: Cross multiply
    193,366.92x = 290,058.24 × 92,112.93
  4. Step 4: Simplify right side
    193,366.92x = 26,718,114,357.04
  5. Step 5: Solve for x
    x = 26,718,114,357.04/193,366.92
  6. Step 6: Final answer
    x = 138,173.14

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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.