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Finding the Fourth Proportional to 79,116.51, 118,678.41 and 44,029.74

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Solution

The fourth proportional to 79,116.51, 118,678.41 and 44,029.74 is: 66,046.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,116.51 : 118,678.41 = 44,029.74 : x
  2. Step 2: Convert to fraction form
    79,116.51/118,678.41 = 44,029.74/x
  3. Step 3: Cross multiply
    79,116.51x = 118,678.41 × 44,029.74
  4. Step 4: Simplify right side
    79,116.51x = 5,225,379,535.91
  5. Step 5: Solve for x
    x = 5,225,379,535.91/79,116.51
  6. Step 6: Final answer
    x = 66,046.64

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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.