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Finding the Fourth Proportional to 216,035.20, 324,052.80 and 132,054.40

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Solution

The fourth proportional to 216,035.20, 324,052.80 and 132,054.40 is: 198,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,035.20 : 324,052.80 = 132,054.40 : x
  2. Step 2: Convert to fraction form
    216,035.20/324,052.80 = 132,054.40/x
  3. Step 3: Cross multiply
    216,035.20x = 324,052.80 × 132,054.40
  4. Step 4: Simplify right side
    216,035.20x = 42,792,598,072.32
  5. Step 5: Solve for x
    x = 42,792,598,072.32/216,035.20
  6. Step 6: Final answer
    x = 198,081.60

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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.