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Finding the Fourth Proportional to 173,638.70, 260,273.52 and 83,625.29

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Solution

The fourth proportional to 173,638.70, 260,273.52 and 83,625.29 is: 125,349.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,638.70 : 260,273.52 = 83,625.29 : x
  2. Step 2: Convert to fraction form
    173,638.70/260,273.52 = 83,625.29/x
  3. Step 3: Cross multiply
    173,638.70x = 260,273.52 × 83,625.29
  4. Step 4: Simplify right side
    173,638.70x = 21,765,448,589.32
  5. Step 5: Solve for x
    x = 21,765,448,589.32/173,638.70
  6. Step 6: Final answer
    x = 125,349.06

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1.5x scale

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.