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Finding the Fourth Proportional to 169,193.75, 253,822.63 and 67,999.66

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Solution

The fourth proportional to 169,193.75, 253,822.63 and 67,999.66 is: 102,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,193.75 : 253,822.63 = 67,999.66 : x
  2. Step 2: Convert to fraction form
    169,193.75/253,822.63 = 67,999.66/x
  3. Step 3: Cross multiply
    169,193.75x = 253,822.63 × 67,999.66
  4. Step 4: Simplify right side
    169,193.75x = 17,259,851,735.75
  5. Step 5: Solve for x
    x = 17,259,851,735.75/169,193.75
  6. Step 6: Final answer
    x = 102,012.35

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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.