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Finding the Fourth Proportional to 73,763.04, 110,645.60 and 18,359.04

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Solution

The fourth proportional to 73,763.04, 110,645.60 and 18,359.04 is: 27,538.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,763.04 : 110,645.60 = 18,359.04 : x
  2. Step 2: Convert to fraction form
    73,763.04/110,645.60 = 18,359.04/x
  3. Step 3: Cross multiply
    73,763.04x = 110,645.60 × 18,359.04
  4. Step 4: Simplify right side
    73,763.04x = 2,031,346,996.22
  5. Step 5: Solve for x
    x = 2,031,346,996.22/73,763.04
  6. Step 6: Final answer
    x = 27,538.82

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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.