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Finding the Fourth Proportional to 192,781.56, 266,094.54 and 117,466.68

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Solution

The fourth proportional to 192,781.56, 266,094.54 and 117,466.68 is: 162,138.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,781.56 : 266,094.54 = 117,466.68 : x
  2. Step 2: Convert to fraction form
    192,781.56/266,094.54 = 117,466.68/x
  3. Step 3: Cross multiply
    192,781.56x = 266,094.54 × 117,466.68
  4. Step 4: Simplify right side
    192,781.56x = 31,257,242,179.93
  5. Step 5: Solve for x
    x = 31,257,242,179.93/192,781.56
  6. Step 6: Final answer
    x = 162,138.13

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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.