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Finding the Fourth Proportional to 235,233.20, 324,616.20 and 127,800.80

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Solution

The fourth proportional to 235,233.20, 324,616.20 and 127,800.80 is: 176,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,233.20 : 324,616.20 = 127,800.80 : x
  2. Step 2: Convert to fraction form
    235,233.20/324,616.20 = 127,800.80/x
  3. Step 3: Cross multiply
    235,233.20x = 324,616.20 × 127,800.80
  4. Step 4: Simplify right side
    235,233.20x = 41,486,210,052.96
  5. Step 5: Solve for x
    x = 41,486,210,052.96/235,233.20
  6. Step 6: Final answer
    x = 176,362.05

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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.