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Finding the Fourth Proportional to 169,481.57, 233,994.13 and 105,019.22

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Solution

The fourth proportional to 169,481.57, 233,994.13 and 105,019.22 is: 144,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,481.57 : 233,994.13 = 105,019.22 : x
  2. Step 2: Convert to fraction form
    169,481.57/233,994.13 = 105,019.22/x
  3. Step 3: Cross multiply
    169,481.57x = 233,994.13 × 105,019.22
  4. Step 4: Simplify right side
    169,481.57x = 24,573,879,584.66
  5. Step 5: Solve for x
    x = 24,573,879,584.66/169,481.57
  6. Step 6: Final answer
    x = 144,994.40

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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.