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Finding the Fourth Proportional to 179,570,809.20, 268,978,300.20 and 149,337,721.20

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Solution

The fourth proportional to 179,570,809.20, 268,978,300.20 and 149,337,721.20 is: 223,692,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,570,809.20 : 268,978,300.20 = 149,337,721.20 : x
  2. Step 2: Convert to fraction form
    179,570,809.20/268,978,300.20 = 149,337,721.20/x
  3. Step 3: Cross multiply
    179,570,809.20x = 268,978,300.20 × 149,337,721.20
  4. Step 4: Simplify right side
    179,570,809.20x = 40,168,606,404,117,496
  5. Step 5: Solve for x
    x = 40,168,606,404,117,496/179,570,809.20
  6. Step 6: Final answer
    x = 223,692,294.88

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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.