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Finding the Fourth Proportional to 79,124.51, 118,604.75 and 49,474.26

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Solution

The fourth proportional to 79,124.51, 118,604.75 and 49,474.26 is: 74,160.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,124.51 : 118,604.75 = 49,474.26 : x
  2. Step 2: Convert to fraction form
    79,124.51/118,604.75 = 49,474.26/x
  3. Step 3: Cross multiply
    79,124.51x = 118,604.75 × 49,474.26
  4. Step 4: Simplify right side
    79,124.51x = 5,867,882,238.74
  5. Step 5: Solve for x
    x = 5,867,882,238.74/79,124.51
  6. Step 6: Final answer
    x = 74,160.11

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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.