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Finding the Fourth Proportional to 236,526, 326,405.88 and 161,206.08

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Solution

The fourth proportional to 236,526, 326,405.88 and 161,206.08 is: 222,464.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,526 : 326,405.88 = 161,206.08 : x
  2. Step 2: Convert to fraction form
    236,526/326,405.88 = 161,206.08/x
  3. Step 3: Cross multiply
    236,526x = 326,405.88 × 161,206.08
  4. Step 4: Simplify right side
    236,526x = 52,618,612,403.75
  5. Step 5: Solve for x
    x = 52,618,612,403.75/236,526
  6. Step 6: Final answer
    x = 222,464.39

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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.