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Finding the Fourth Proportional to 375,960.79, 563,974.38 and 106,091.31

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Solution

The fourth proportional to 375,960.79, 563,974.38 and 106,091.31 is: 159,146.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,960.79 : 563,974.38 = 106,091.31 : x
  2. Step 2: Convert to fraction form
    375,960.79/563,974.38 = 106,091.31/x
  3. Step 3: Cross multiply
    375,960.79x = 563,974.38 × 106,091.31
  4. Step 4: Simplify right side
    375,960.79x = 59,832,782,895.54
  5. Step 5: Solve for x
    x = 59,832,782,895.54/375,960.79
  6. Step 6: Final answer
    x = 159,146.34

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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.