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Finding the Fourth Proportional to 79,159.51, 118,742.91 and 44,072.74

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Solution

The fourth proportional to 79,159.51, 118,742.91 and 44,072.74 is: 66,111.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,159.51 : 118,742.91 = 44,072.74 : x
  2. Step 2: Convert to fraction form
    79,159.51/118,742.91 = 44,072.74/x
  3. Step 3: Cross multiply
    79,159.51x = 118,742.91 × 44,072.74
  4. Step 4: Simplify right side
    79,159.51x = 5,233,325,399.27
  5. Step 5: Solve for x
    x = 5,233,325,399.27/79,159.51
  6. Step 6: Final answer
    x = 66,111.14

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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.