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Finding the Fourth Proportional to 73,789,509.60, 110,751,186.60 and 37,423,198.80

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Solution

The fourth proportional to 73,789,509.60, 110,751,186.60 and 37,423,198.80 is: 56,168,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,789,509.60 : 110,751,186.60 = 37,423,198.80 : x
  2. Step 2: Convert to fraction form
    73,789,509.60/110,751,186.60 = 37,423,198.80/x
  3. Step 3: Cross multiply
    73,789,509.60x = 110,751,186.60 × 37,423,198.80
  4. Step 4: Simplify right side
    73,789,509.60x = 4,144,663,673,467,695.50
  5. Step 5: Solve for x
    x = 4,144,663,673,467,695.50/73,789,509.60
  6. Step 6: Final answer
    x = 56,168,738.56

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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.