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Finding the Fourth Proportional to 73,448.80, 110,151.60 and 29,060.80

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Solution

The fourth proportional to 73,448.80, 110,151.60 and 29,060.80 is: 43,582.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,448.80 : 110,151.60 = 29,060.80 : x
  2. Step 2: Convert to fraction form
    73,448.80/110,151.60 = 29,060.80/x
  3. Step 3: Cross multiply
    73,448.80x = 110,151.60 × 29,060.80
  4. Step 4: Simplify right side
    73,448.80x = 3,201,093,617.28
  5. Step 5: Solve for x
    x = 3,201,093,617.28/73,448.80
  6. Step 6: Final answer
    x = 43,582.65

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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.