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Finding the Fourth Proportional to 126,957.42, 190,550.32 and 67,843.62

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Solution

The fourth proportional to 126,957.42, 190,550.32 and 67,843.62 is: 101,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,957.42 : 190,550.32 = 67,843.62 : x
  2. Step 2: Convert to fraction form
    126,957.42/190,550.32 = 67,843.62/x
  3. Step 3: Cross multiply
    126,957.42x = 190,550.32 × 67,843.62
  4. Step 4: Simplify right side
    126,957.42x = 12,927,623,500.96
  5. Step 5: Solve for x
    x = 12,927,623,500.96/126,957.42
  6. Step 6: Final answer
    x = 101,826.45

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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.