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Finding the Fourth Proportional to 178,650.83, 246,541.93 and 98,078.11

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Solution

The fourth proportional to 178,650.83, 246,541.93 and 98,078.11 is: 135,349.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,650.83 : 246,541.93 = 98,078.11 : x
  2. Step 2: Convert to fraction form
    178,650.83/246,541.93 = 98,078.11/x
  3. Step 3: Cross multiply
    178,650.83x = 246,541.93 × 98,078.11
  4. Step 4: Simplify right side
    178,650.83x = 24,180,365,668.60
  5. Step 5: Solve for x
    x = 24,180,365,668.60/178,650.83
  6. Step 6: Final answer
    x = 135,349.86

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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.