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Finding the Fourth Proportional to 178,402.90, 246,207.39 and 117,867.34

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Solution

The fourth proportional to 178,402.90, 246,207.39 and 117,867.34 is: 162,664.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,402.90 : 246,207.39 = 117,867.34 : x
  2. Step 2: Convert to fraction form
    178,402.90/246,207.39 = 117,867.34/x
  3. Step 3: Cross multiply
    178,402.90x = 246,207.39 × 117,867.34
  4. Step 4: Simplify right side
    178,402.90x = 29,019,810,147.64
  5. Step 5: Solve for x
    x = 29,019,810,147.64/178,402.90
  6. Step 6: Final answer
    x = 162,664.45

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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.