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Finding the Fourth Proportional to 73,739.04, 110,609.60 and 18,335.04

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Solution

The fourth proportional to 73,739.04, 110,609.60 and 18,335.04 is: 27,502.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,739.04 : 110,609.60 = 18,335.04 : x
  2. Step 2: Convert to fraction form
    73,739.04/110,609.60 = 18,335.04/x
  3. Step 3: Cross multiply
    73,739.04x = 110,609.60 × 18,335.04
  4. Step 4: Simplify right side
    73,739.04x = 2,028,031,440.38
  5. Step 5: Solve for x
    x = 2,028,031,440.38/73,739.04
  6. Step 6: Final answer
    x = 27,502.82

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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.