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Finding the Fourth Proportional to 73,422.60, 110,099.50 and 43,036.97

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Solution

The fourth proportional to 73,422.60, 110,099.50 and 43,036.97 is: 64,535.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,422.60 : 110,099.50 = 43,036.97 : x
  2. Step 2: Convert to fraction form
    73,422.60/110,099.50 = 43,036.97/x
  3. Step 3: Cross multiply
    73,422.60x = 110,099.50 × 43,036.97
  4. Step 4: Simplify right side
    73,422.60x = 4,738,349,081.82
  5. Step 5: Solve for x
    x = 4,738,349,081.82/73,422.60
  6. Step 6: Final answer
    x = 64,535.29

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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.