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Finding the Fourth Proportional to 178,898.55, 246,881.54 and 98,327.95

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Solution

The fourth proportional to 178,898.55, 246,881.54 and 98,327.95 is: 135,693.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,898.55 : 246,881.54 = 98,327.95 : x
  2. Step 2: Convert to fraction form
    178,898.55/246,881.54 = 98,327.95/x
  3. Step 3: Cross multiply
    178,898.55x = 246,881.54 × 98,327.95
  4. Step 4: Simplify right side
    178,898.55x = 24,275,354,796.56
  5. Step 5: Solve for x
    x = 24,275,354,796.56/178,898.55
  6. Step 6: Final answer
    x = 135,693.42

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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.