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Finding the Fourth Proportional to 126,596.06, 189,726.42 and 67,304.06

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Solution

The fourth proportional to 126,596.06, 189,726.42 and 67,304.06 is: 100,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,596.06 : 189,726.42 = 67,304.06 : x
  2. Step 2: Convert to fraction form
    126,596.06/189,726.42 = 67,304.06/x
  3. Step 3: Cross multiply
    126,596.06x = 189,726.42 × 67,304.06
  4. Step 4: Simplify right side
    126,596.06x = 12,769,358,355.27
  5. Step 5: Solve for x
    x = 12,769,358,355.27/126,596.06
  6. Step 6: Final answer
    x = 100,866.95

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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.