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Finding the Fourth Proportional to 172,957.60, 259,292.40 and 73,194.40

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Solution

The fourth proportional to 172,957.60, 259,292.40 and 73,194.40 is: 109,730.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,957.60 : 259,292.40 = 73,194.40 : x
  2. Step 2: Convert to fraction form
    172,957.60/259,292.40 = 73,194.40/x
  3. Step 3: Cross multiply
    172,957.60x = 259,292.40 × 73,194.40
  4. Step 4: Simplify right side
    172,957.60x = 18,978,751,642.56
  5. Step 5: Solve for x
    x = 18,978,751,642.56/172,957.60
  6. Step 6: Final answer
    x = 109,730.66

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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.