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Finding the Fourth Proportional to 79,164.51, 118,750.41 and 44,077.74

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Solution

The fourth proportional to 79,164.51, 118,750.41 and 44,077.74 is: 66,118.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,164.51 : 118,750.41 = 44,077.74 : x
  2. Step 2: Convert to fraction form
    79,164.51/118,750.41 = 44,077.74/x
  3. Step 3: Cross multiply
    79,164.51x = 118,750.41 × 44,077.74
  4. Step 4: Simplify right side
    79,164.51x = 5,234,249,696.87
  5. Step 5: Solve for x
    x = 5,234,249,696.87/79,164.51
  6. Step 6: Final answer
    x = 66,118.64

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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.