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Finding the Fourth Proportional to 169,631,996.20, 254,447,994.30 and 169,631,996.20

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Solution

The fourth proportional to 169,631,996.20, 254,447,994.30 and 169,631,996.20 is: 254,447,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,631,996.20 : 254,447,994.30 = 169,631,996.20 : x
  2. Step 2: Convert to fraction form
    169,631,996.20/254,447,994.30 = 169,631,996.20/x
  3. Step 3: Cross multiply
    169,631,996.20x = 254,447,994.30 × 169,631,996.20
  4. Step 4: Simplify right side
    169,631,996.20x = 43,162,521,202,195,224
  5. Step 5: Solve for x
    x = 43,162,521,202,195,224/169,631,996.20
  6. Step 6: Final answer
    x = 254,447,994.30

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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.