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Finding the Fourth Proportional to 146,644.66, 202,369.64 and 79,576.66

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Solution

The fourth proportional to 146,644.66, 202,369.64 and 79,576.66 is: 109,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,644.66 : 202,369.64 = 79,576.66 : x
  2. Step 2: Convert to fraction form
    146,644.66/202,369.64 = 79,576.66/x
  3. Step 3: Cross multiply
    146,644.66x = 202,369.64 × 79,576.66
  4. Step 4: Simplify right side
    146,644.66x = 16,103,900,684.66
  5. Step 5: Solve for x
    x = 16,103,900,684.66/146,644.66
  6. Step 6: Final answer
    x = 109,815.80

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1.5x scale

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.