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Finding the Fourth Proportional to 344,693.86, 517,047.27 and 108,031.30

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Solution

The fourth proportional to 344,693.86, 517,047.27 and 108,031.30 is: 162,048.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,693.86 : 517,047.27 = 108,031.30 : x
  2. Step 2: Convert to fraction form
    344,693.86/517,047.27 = 108,031.30/x
  3. Step 3: Cross multiply
    344,693.86x = 517,047.27 × 108,031.30
  4. Step 4: Simplify right side
    344,693.86x = 55,857,288,739.55
  5. Step 5: Solve for x
    x = 55,857,288,739.55/344,693.86
  6. Step 6: Final answer
    x = 162,048.98

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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.