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Finding the Fourth Proportional to 169,322.10, 236,739.90 and 169,322.10

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Solution

The fourth proportional to 169,322.10, 236,739.90 and 169,322.10 is: 236,739.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,322.10 : 236,739.90 = 169,322.10 : x
  2. Step 2: Convert to fraction form
    169,322.10/236,739.90 = 169,322.10/x
  3. Step 3: Cross multiply
    169,322.10x = 236,739.90 × 169,322.10
  4. Step 4: Simplify right side
    169,322.10x = 40,085,297,021.79
  5. Step 5: Solve for x
    x = 40,085,297,021.79/169,322.10
  6. Step 6: Final answer
    x = 236,739.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.