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Finding the Fourth Proportional to 178,737.93, 246,658.30 and 98,165.48

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Solution

The fourth proportional to 178,737.93, 246,658.30 and 98,165.48 is: 135,468.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,737.93 : 246,658.30 = 98,165.48 : x
  2. Step 2: Convert to fraction form
    178,737.93/246,658.30 = 98,165.48/x
  3. Step 3: Cross multiply
    178,737.93x = 246,658.30 × 98,165.48
  4. Step 4: Simplify right side
    178,737.93x = 24,213,328,936.78
  5. Step 5: Solve for x
    x = 24,213,328,936.78/178,737.93
  6. Step 6: Final answer
    x = 135,468.33

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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.