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Finding the Fourth Proportional to 146,214.56, 201,776.04 and 79,146.56

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Solution

The fourth proportional to 146,214.56, 201,776.04 and 79,146.56 is: 109,222.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,214.56 : 201,776.04 = 79,146.56 : x
  2. Step 2: Convert to fraction form
    146,214.56/201,776.04 = 79,146.56/x
  3. Step 3: Cross multiply
    146,214.56x = 201,776.04 × 79,146.56
  4. Step 4: Simplify right side
    146,214.56x = 15,969,879,456.42
  5. Step 5: Solve for x
    x = 15,969,879,456.42/146,214.56
  6. Step 6: Final answer
    x = 109,222.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.