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Finding the Fourth Proportional to 58,978,390.44, 81,388,791.72 and 34,203,004.68

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Solution

The fourth proportional to 58,978,390.44, 81,388,791.72 and 34,203,004.68 is: 47,199,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,978,390.44 : 81,388,791.72 = 34,203,004.68 : x
  2. Step 2: Convert to fraction form
    58,978,390.44/81,388,791.72 = 34,203,004.68/x
  3. Step 3: Cross multiply
    58,978,390.44x = 81,388,791.72 × 34,203,004.68
  4. Step 4: Simplify right side
    58,978,390.44x = 2,783,741,224,098,705
  5. Step 5: Solve for x
    x = 2,783,741,224,098,705/58,978,390.44
  6. Step 6: Final answer
    x = 47,199,342.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.