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Finding the Fourth Proportional to 169,542,405.20, 254,313,607.80 and 169,542,405.20

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Solution

The fourth proportional to 169,542,405.20, 254,313,607.80 and 169,542,405.20 is: 254,313,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,542,405.20 : 254,313,607.80 = 169,542,405.20 : x
  2. Step 2: Convert to fraction form
    169,542,405.20/254,313,607.80 = 169,542,405.20/x
  3. Step 3: Cross multiply
    169,542,405.20x = 254,313,607.80 × 169,542,405.20
  4. Step 4: Simplify right side
    169,542,405.20x = 43,116,940,741,501,480
  5. Step 5: Solve for x
    x = 43,116,940,741,501,480/169,542,405.20
  6. Step 6: Final answer
    x = 254,313,607.80

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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.