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Finding the Fourth Proportional to 178,374.96, 246,150.78 and 97,800.60

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Solution

The fourth proportional to 178,374.96, 246,150.78 and 97,800.60 is: 134,961.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,374.96 : 246,150.78 = 97,800.60 : x
  2. Step 2: Convert to fraction form
    178,374.96/246,150.78 = 97,800.60/x
  3. Step 3: Cross multiply
    178,374.96x = 246,150.78 × 97,800.60
  4. Step 4: Simplify right side
    178,374.96x = 24,073,693,974.47
  5. Step 5: Solve for x
    x = 24,073,693,974.47/178,374.96
  6. Step 6: Final answer
    x = 134,961.17

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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.