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Finding the Fourth Proportional to 133,079.16, 183,644.46 and 73,463.16

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Solution

The fourth proportional to 133,079.16, 183,644.46 and 73,463.16 is: 101,376.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,079.16 : 183,644.46 = 73,463.16 : x
  2. Step 2: Convert to fraction form
    133,079.16/183,644.46 = 73,463.16/x
  3. Step 3: Cross multiply
    133,079.16x = 183,644.46 × 73,463.16
  4. Step 4: Simplify right side
    133,079.16x = 13,491,102,348.09
  5. Step 5: Solve for x
    x = 13,491,102,348.09/133,079.16
  6. Step 6: Final answer
    x = 101,376.52

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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.