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Finding the Fourth Proportional to 168,809.51, 232,931.21 and 97,175.64

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Solution

The fourth proportional to 168,809.51, 232,931.21 and 97,175.64 is: 134,087.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,809.51 : 232,931.21 = 97,175.64 : x
  2. Step 2: Convert to fraction form
    168,809.51/232,931.21 = 97,175.64/x
  3. Step 3: Cross multiply
    168,809.51x = 232,931.21 × 97,175.64
  4. Step 4: Simplify right side
    168,809.51x = 22,635,239,650.66
  5. Step 5: Solve for x
    x = 22,635,239,650.66/168,809.51
  6. Step 6: Final answer
    x = 134,087.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.