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Finding the Fourth Proportional to 146,186.96, 201,737.94 and 79,118.96

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Solution

The fourth proportional to 146,186.96, 201,737.94 and 79,118.96 is: 109,184.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,186.96 : 201,737.94 = 79,118.96 : x
  2. Step 2: Convert to fraction form
    146,186.96/201,737.94 = 79,118.96/x
  3. Step 3: Cross multiply
    146,186.96x = 201,737.94 × 79,118.96
  4. Step 4: Simplify right side
    146,186.96x = 15,961,294,996.65
  5. Step 5: Solve for x
    x = 15,961,294,996.65/146,186.96
  6. Step 6: Final answer
    x = 109,184.13

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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.