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Finding the Fourth Proportional to 159,809,101.20, 239,713,651.80 and 150,880,892.40

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Solution

The fourth proportional to 159,809,101.20, 239,713,651.80 and 150,880,892.40 is: 226,321,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,809,101.20 : 239,713,651.80 = 150,880,892.40 : x
  2. Step 2: Convert to fraction form
    159,809,101.20/239,713,651.80 = 150,880,892.40/x
  3. Step 3: Cross multiply
    159,809,101.20x = 239,713,651.80 × 150,880,892.40
  4. Step 4: Simplify right side
    159,809,101.20x = 36,168,209,704,046,872
  5. Step 5: Solve for x
    x = 36,168,209,704,046,872/159,809,101.20
  6. Step 6: Final answer
    x = 226,321,338.60

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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.