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Finding the Fourth Proportional to 73,475.91, 110,166.48 and 31,383.45

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Solution

The fourth proportional to 73,475.91, 110,166.48 and 31,383.45 is: 47,054.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,475.91 : 110,166.48 = 31,383.45 : x
  2. Step 2: Convert to fraction form
    73,475.91/110,166.48 = 31,383.45/x
  3. Step 3: Cross multiply
    73,475.91x = 110,166.48 × 31,383.45
  4. Step 4: Simplify right side
    73,475.91x = 3,457,404,216.76
  5. Step 5: Solve for x
    x = 3,457,404,216.76/73,475.91
  6. Step 6: Final answer
    x = 47,054.94

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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.