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Finding the Fourth Proportional to 372,768.72, 559,171.53 and 106,568.45

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Solution

The fourth proportional to 372,768.72, 559,171.53 and 106,568.45 is: 159,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,768.72 : 559,171.53 = 106,568.45 : x
  2. Step 2: Convert to fraction form
    372,768.72/559,171.53 = 106,568.45/x
  3. Step 3: Cross multiply
    372,768.72x = 559,171.53 × 106,568.45
  4. Step 4: Simplify right side
    372,768.72x = 59,590,042,537.26
  5. Step 5: Solve for x
    x = 59,590,042,537.26/372,768.72
  6. Step 6: Final answer
    x = 159,857.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.