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Finding the Fourth Proportional to 168,797.19, 232,968.77 and 97,218.64

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Solution

The fourth proportional to 168,797.19, 232,968.77 and 97,218.64 is: 134,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,797.19 : 232,968.77 = 97,218.64 : x
  2. Step 2: Convert to fraction form
    168,797.19/232,968.77 = 97,218.64/x
  3. Step 3: Cross multiply
    168,797.19x = 232,968.77 × 97,218.64
  4. Step 4: Simplify right side
    168,797.19x = 22,648,906,981.87
  5. Step 5: Solve for x
    x = 22,648,906,981.87/168,797.19
  6. Step 6: Final answer
    x = 134,178.22

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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.