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Finding the Fourth Proportional to 231,004,978.55, 346,508,058.52 and 58,481,810.50

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Solution

The fourth proportional to 231,004,978.55, 346,508,058.52 and 58,481,810.50 is: 87,722,865.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,004,978.55 : 346,508,058.52 = 58,481,810.50 : x
  2. Step 2: Convert to fraction form
    231,004,978.55/346,508,058.52 = 58,481,810.50/x
  3. Step 3: Cross multiply
    231,004,978.55x = 346,508,058.52 × 58,481,810.50
  4. Step 4: Simplify right side
    231,004,978.55x = 20,264,418,614,296,384
  5. Step 5: Solve for x
    x = 20,264,418,614,296,384/231,004,978.55
  6. Step 6: Final answer
    x = 87,722,865.29

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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.