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Finding the Fourth Proportional to 171,572.30, 236,713.02 and 103,563.44

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Solution

The fourth proportional to 171,572.30, 236,713.02 and 103,563.44 is: 142,883.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,572.30 : 236,713.02 = 103,563.44 : x
  2. Step 2: Convert to fraction form
    171,572.30/236,713.02 = 103,563.44/x
  3. Step 3: Cross multiply
    171,572.30x = 236,713.02 × 103,563.44
  4. Step 4: Simplify right side
    171,572.30x = 24,514,814,643.99
  5. Step 5: Solve for x
    x = 24,514,814,643.99/171,572.30
  6. Step 6: Final answer
    x = 142,883.29

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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.