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Finding the Fourth Proportional to 73,739.36, 110,608.92 and 58,878.64

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Solution

The fourth proportional to 73,739.36, 110,608.92 and 58,878.64 is: 88,317.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,739.36 : 110,608.92 = 58,878.64 : x
  2. Step 2: Convert to fraction form
    73,739.36/110,608.92 = 58,878.64/x
  3. Step 3: Cross multiply
    73,739.36x = 110,608.92 × 58,878.64
  4. Step 4: Simplify right side
    73,739.36x = 6,512,502,781.47
  5. Step 5: Solve for x
    x = 6,512,502,781.47/73,739.36
  6. Step 6: Final answer
    x = 88,317.86

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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.