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Finding the Fourth Proportional to 122,796.52, 169,445.48 and 69,080.44

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Solution

The fourth proportional to 122,796.52, 169,445.48 and 69,080.44 is: 95,323.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,796.52 : 169,445.48 = 69,080.44 : x
  2. Step 2: Convert to fraction form
    122,796.52/169,445.48 = 69,080.44/x
  3. Step 3: Cross multiply
    122,796.52x = 169,445.48 × 69,080.44
  4. Step 4: Simplify right side
    122,796.52x = 11,705,368,314.41
  5. Step 5: Solve for x
    x = 11,705,368,314.41/122,796.52
  6. Step 6: Final answer
    x = 95,323.29

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1.5x scale

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.