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Finding the Fourth Proportional to 73,376.85, 110,037.33 and 31,230.33

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Solution

The fourth proportional to 73,376.85, 110,037.33 and 31,230.33 is: 46,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,376.85 : 110,037.33 = 31,230.33 : x
  2. Step 2: Convert to fraction form
    73,376.85/110,037.33 = 31,230.33/x
  3. Step 3: Cross multiply
    73,376.85x = 110,037.33 × 31,230.33
  4. Step 4: Simplify right side
    73,376.85x = 3,436,502,128.22
  5. Step 5: Solve for x
    x = 3,436,502,128.22/73,376.85
  6. Step 6: Final answer
    x = 46,833.60

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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.