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Finding the Fourth Proportional to 204,707.29, 307,060.94 and 79,960.81

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Solution

The fourth proportional to 204,707.29, 307,060.94 and 79,960.81 is: 119,941.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,707.29 : 307,060.94 = 79,960.81 : x
  2. Step 2: Convert to fraction form
    204,707.29/307,060.94 = 79,960.81/x
  3. Step 3: Cross multiply
    204,707.29x = 307,060.94 × 79,960.81
  4. Step 4: Simplify right side
    204,707.29x = 24,552,842,149.46
  5. Step 5: Solve for x
    x = 24,552,842,149.46/204,707.29
  6. Step 6: Final answer
    x = 119,941.22

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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.