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Finding the Fourth Proportional to 204,707.17, 307,060.75 and 79,960.69

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Solution

The fourth proportional to 204,707.17, 307,060.75 and 79,960.69 is: 119,941.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,707.17 : 307,060.75 = 79,960.69 : x
  2. Step 2: Convert to fraction form
    204,707.17/307,060.75 = 79,960.69/x
  3. Step 3: Cross multiply
    204,707.17x = 307,060.75 × 79,960.69
  4. Step 4: Simplify right side
    204,707.17x = 24,552,788,774.22
  5. Step 5: Solve for x
    x = 24,552,788,774.22/204,707.17
  6. Step 6: Final answer
    x = 119,941.03

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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.