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Finding the Fourth Proportional to 79,462.69, 109,653.95 and 43,651.94

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Solution

The fourth proportional to 79,462.69, 109,653.95 and 43,651.94 is: 60,237.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,462.69 : 109,653.95 = 43,651.94 : x
  2. Step 2: Convert to fraction form
    79,462.69/109,653.95 = 43,651.94/x
  3. Step 3: Cross multiply
    79,462.69x = 109,653.95 × 43,651.94
  4. Step 4: Simplify right side
    79,462.69x = 4,786,607,207.02
  5. Step 5: Solve for x
    x = 4,786,607,207.02/79,462.69
  6. Step 6: Final answer
    x = 60,237.17

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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.