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Finding the Fourth Proportional to 178,437, 246,243.06 and 98,949

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Solution

The fourth proportional to 178,437, 246,243.06 and 98,949 is: 136,549.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,437 : 246,243.06 = 98,949 : x
  2. Step 2: Convert to fraction form
    178,437/246,243.06 = 98,949/x
  3. Step 3: Cross multiply
    178,437x = 246,243.06 × 98,949
  4. Step 4: Simplify right side
    178,437x = 24,365,504,543.94
  5. Step 5: Solve for x
    x = 24,365,504,543.94/178,437
  6. Step 6: Final answer
    x = 136,549.62

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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.