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Finding the Fourth Proportional to 178,898.49, 246,881.45 and 98,327.89

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Solution

The fourth proportional to 178,898.49, 246,881.45 and 98,327.89 is: 135,693.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,898.49 : 246,881.45 = 98,327.89 : x
  2. Step 2: Convert to fraction form
    178,898.49/246,881.45 = 98,327.89/x
  3. Step 3: Cross multiply
    178,898.49x = 246,881.45 × 98,327.89
  4. Step 4: Simplify right side
    178,898.49x = 24,275,330,824.23
  5. Step 5: Solve for x
    x = 24,275,330,824.23/178,898.49
  6. Step 6: Final answer
    x = 135,693.33

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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.