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Finding the Fourth Proportional to 146,468.52, 202,126.86 and 79,400.52

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Solution

The fourth proportional to 146,468.52, 202,126.86 and 79,400.52 is: 109,572.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,468.52 : 202,126.86 = 79,400.52 : x
  2. Step 2: Convert to fraction form
    146,468.52/202,126.86 = 79,400.52/x
  3. Step 3: Cross multiply
    146,468.52x = 202,126.86 × 79,400.52
  4. Step 4: Simplify right side
    146,468.52x = 16,048,977,789.97
  5. Step 5: Solve for x
    x = 16,048,977,789.97/146,468.52
  6. Step 6: Final answer
    x = 109,572.88

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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.