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Finding the Fourth Proportional to 191,843.17, 264,743.55 and 106,960.23

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Solution

The fourth proportional to 191,843.17, 264,743.55 and 106,960.23 is: 147,605.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,843.17 : 264,743.55 = 106,960.23 : x
  2. Step 2: Convert to fraction form
    191,843.17/264,743.55 = 106,960.23/x
  3. Step 3: Cross multiply
    191,843.17x = 264,743.55 × 106,960.23
  4. Step 4: Simplify right side
    191,843.17x = 28,317,030,999.02
  5. Step 5: Solve for x
    x = 28,317,030,999.02/191,843.17
  6. Step 6: Final answer
    x = 147,605.11

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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.