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Finding the Fourth Proportional to 122,622.48, 169,296.48 and 80,252.64

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Solution

The fourth proportional to 122,622.48, 169,296.48 and 80,252.64 is: 110,799.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,622.48 : 169,296.48 = 80,252.64 : x
  2. Step 2: Convert to fraction form
    122,622.48/169,296.48 = 80,252.64/x
  3. Step 3: Cross multiply
    122,622.48x = 169,296.48 × 80,252.64
  4. Step 4: Simplify right side
    122,622.48x = 13,586,489,462.71
  5. Step 5: Solve for x
    x = 13,586,489,462.71/122,622.48
  6. Step 6: Final answer
    x = 110,799.34

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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.