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Finding the Fourth Proportional to 168,421.44, 232,423.20 and 92,968.32

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Solution

The fourth proportional to 168,421.44, 232,423.20 and 92,968.32 is: 128,297.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,421.44 : 232,423.20 = 92,968.32 : x
  2. Step 2: Convert to fraction form
    168,421.44/232,423.20 = 92,968.32/x
  3. Step 3: Cross multiply
    168,421.44x = 232,423.20 × 92,968.32
  4. Step 4: Simplify right side
    168,421.44x = 21,607,994,433.02
  5. Step 5: Solve for x
    x = 21,607,994,433.02/168,421.44
  6. Step 6: Final answer
    x = 128,297.17

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