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Finding the Fourth Proportional to 79,614.19, 109,865.31 and 43,804.22

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Solution

The fourth proportional to 79,614.19, 109,865.31 and 43,804.22 is: 60,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,614.19 : 109,865.31 = 43,804.22 : x
  2. Step 2: Convert to fraction form
    79,614.19/109,865.31 = 43,804.22/x
  3. Step 3: Cross multiply
    79,614.19x = 109,865.31 × 43,804.22
  4. Step 4: Simplify right side
    79,614.19x = 4,812,564,209.61
  5. Step 5: Solve for x
    x = 4,812,564,209.61/79,614.19
  6. Step 6: Final answer
    x = 60,448.58

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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.