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Finding the Fourth Proportional to 178,671.36, 246,566.96 and 98,104.11

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Solution

The fourth proportional to 178,671.36, 246,566.96 and 98,104.11 is: 135,383.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,671.36 : 246,566.96 = 98,104.11 : x
  2. Step 2: Convert to fraction form
    178,671.36/246,566.96 = 98,104.11/x
  3. Step 3: Cross multiply
    178,671.36x = 246,566.96 × 98,104.11
  4. Step 4: Simplify right side
    178,671.36x = 24,189,232,166.21
  5. Step 5: Solve for x
    x = 24,189,232,166.21/178,671.36
  6. Step 6: Final answer
    x = 135,383.94

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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.