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Finding the Fourth Proportional to 232,058.40, 347,626.80 and 126,688.80

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Solution

The fourth proportional to 232,058.40, 347,626.80 and 126,688.80 is: 189,781.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,058.40 : 347,626.80 = 126,688.80 : x
  2. Step 2: Convert to fraction form
    232,058.40/347,626.80 = 126,688.80/x
  3. Step 3: Cross multiply
    232,058.40x = 347,626.80 × 126,688.80
  4. Step 4: Simplify right side
    232,058.40x = 44,040,422,139.84
  5. Step 5: Solve for x
    x = 44,040,422,139.84/232,058.40
  6. Step 6: Final answer
    x = 189,781.63

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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.