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Finding the Fourth Proportional to 178,356.14, 246,131.40 and 97,781.93

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Solution

The fourth proportional to 178,356.14, 246,131.40 and 97,781.93 is: 134,939.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,356.14 : 246,131.40 = 97,781.93 : x
  2. Step 2: Convert to fraction form
    178,356.14/246,131.40 = 97,781.93/x
  3. Step 3: Cross multiply
    178,356.14x = 246,131.40 × 97,781.93
  4. Step 4: Simplify right side
    178,356.14x = 24,067,202,094.95
  5. Step 5: Solve for x
    x = 24,067,202,094.95/178,356.14
  6. Step 6: Final answer
    x = 134,939.02

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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.