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Finding the Fourth Proportional to 159,325.77, 219,450.72 and 122,461.49

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Solution

The fourth proportional to 159,325.77, 219,450.72 and 122,461.49 is: 168,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,325.77 : 219,450.72 = 122,461.49 : x
  2. Step 2: Convert to fraction form
    159,325.77/219,450.72 = 122,461.49/x
  3. Step 3: Cross multiply
    159,325.77x = 219,450.72 × 122,461.49
  4. Step 4: Simplify right side
    159,325.77x = 26,874,261,055.52
  5. Step 5: Solve for x
    x = 26,874,261,055.52/159,325.77
  6. Step 6: Final answer
    x = 168,674.92

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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.